Latest bearing tester Tenders | Government bearing tester Tenders

CTN :43322189

09 Jan, 2026 NA

Agra - Uttar Pradesh

Tender For supply of demonstration eye piece : -demonstration eye piece , mareys tambour , myograph stand , aigometer , apparatus for passive movement , basal metabolism apparatus , color perception lantern edridge green , electromagnetic time marker , frog board cork lined with boss head , frog board for dissection , hook and weight set , inductorium , lnagendorff apparatus , low voltage unit for tapping 2 and 4 volts for stimulation , mossos ergograph , muscle grip of femur clamp , muscle lever , muscle trough , olfactometer , perimeter pristely smith , perimeter with charts listers , phakoscope , pohls commutator , sherrington starling kymograph electrical driven , short circuiting key , simple key , thermo aesthesiometer , anaesthesia box , electrodes , stethograph , two step test exerciser , vibrating interrupter , x blocks , serum inspissators , complete chromatographic unit for aper and tlc , starling heart lever , mammalian heart perfusion assembly manual , plenthysmograph , plenthysmograph digital , cooks pole climbing apparatus

Central Government And Public Sector

CTN :43035010

31 Dec, 2025 16.88 Lacs

Lakhimpur - Assam

Tender For corrigendum : supply of annual rate contract for testing services of geo bags slhep d d -polymer type suitable test to be carried out to established the type of polymer used for geo bags for geo bag 300 gsm as per is 667 , fabric weight gsm for geo bag 300 gsm as per bs en 965 , wide width tensile strength and elongation both direction geo bag 300 gsm as per en iso 10319 , cbr puncher resistance for geo bag 300 gsm as per en iso 12236 , apparent opening size for geo bag 300 gsm as per en iso 12956 , permeability for geo bag 300 gsm as per en iso 11058 , abrasion for geo bag 300 gsm as per astm d 4886 , uv resistance test for geo bag 300 gsm as per astm d 5035or astm d 4355 , seam strength for geo bag 300 gsm as per iso 10321 , polymer type suitable test to be carried out to established the type of polymer used for geo bag for geo bag 700 gsm as per is 667 , fabric weight gsm for geo bag 700 gsm as per astm d 5261 , wide width tensile strength and elongation both direction geo bag 700 gsm as per astm d 4595 , trapezoidal tear strength foe geo bag 700 gsm as pet astm d 4533 , cbr puncher resistance for geo bag 700 gsm as per astm d 6241 , apparent opening size for geo bag 700 gsm as per astm d 4751 , permeability for geo bag 700 gsm as per en iso 11058 , abrasion for geo bag 700 gsm as per astm d 4886 , uv resistance test for geo bag 700 gsm as per astm d 5035 astm d 4355 , seam strength for geo bag 700 gsm as per en iso 10321

CTN :43305949

13 Jan, 2026 11.84 Lacs

Jamnagar - Gujarat

Tender For supply of catherer suction endobronchial with terminal transparent non toxic pvc tubing size fg 10 length 45 cm , catherer suction endobronchial with terminal transparent non toxic pvc tubing size fg 12 length 50 cm , ecg electrodes disposable , vaccum blood collection tubes with needles sodium citrate 3ml , vaccum blood collection tubes with needles and additives sodium fluoride k3edta in tubes of vol 2 ml , pap smear kit ayre spatula endocervical brush slide , kit for estimation of cpk mb 2 point 5 ml , kit for estimation of vdrl rpr 100 tests , rapid widal slide agglutination test with control , occult blood test kit kit of 50 tests , elisa for detection of malaria antigen kit of 96 tests , micropipettes tips for 1 to 200ul , micropipettes tips for 500 to 1000 ul , semi auto analyser wash solution for , semi auto analyser printing paper roll for , glucometer strips for glucometer accuchek active bott of 50 strips , ra factor test kit 25 tests latex agglutination method , kit for estimation of hdl cholesterol , hiv antibody 1 and 2 detection rapid test kit , keto diastix bott of 50 strips ketone plus glucose , kits for estimation of albumin , kits for estimation of cholesterol , kits for estimation of glucose , kits for estimation of protein , kits for estimation of urea , kits for estimation of uric acid , kits for estimation of creatinine , kits for estimation of alkaline phosphatase , kits for estimation of sgot ast , kits for estimation of sgpt alt , strips albumin and glucose bottle of 100 strips , troponin t test card , kit for triglyceride estimation 100 ml , kit for estimation of bilirubin , kit for estimation of ggt gamma glutamyl transaminase 12 x 5 ml , kit for estimation of calcium 50 ml , kit for estimation of amylase 12 x 5 ml , pt reagent kit of 25 tests , serum lipase kit 1x24ml with 01 calibrator , urine collecting bag with volume meter 500ml , silver dressing for burns 10 x 10 cm , thoracic drainage ) /bid number: gem/2025/b/6963085 * /dated: 23-12-2025 & & / bid document1 / 65 & & ' ' /item categorycatheter size 14f , film xray 30 point 5 cmx5 point 4 cm 12 inchx10 inch high speed cr film , 3m tm surgical clipper blade , abdominal drain kit 24 and 28 and 32 , cervical callor philadolphia m and l and xl , cervical collar hard , disposable infant diapers small weight is less than 5kg pack of 32 pieces , disposable nibp cuffs 7 point 5cms , distilled water , electrolyte na plus k plus cl spotchem test kit of 50 test kit , erba auto wash ac or al 5x44ml or 5x44ml , erba auto wash em 200 10x100ml , erba norm kit 1 x 5ml , erba path kit 1 x 5 ml , glucostrips dr morpen bott of 50 , haemetology control eightcheck sysmere cell counter control , karman cannula 10 mm , karman cannula 12 mm , karman cannula 5 mm , karman cannula 6 mm , karman cannula 7 mm , kit cell clean bott of 50ml , kit cell pack 20ltr , kit erba wash , kit estimation of alkaline phosphate erba em 200 2x44 , kit estimation of amylase erba em 200 , kit estimation of ck mb erba em 200 , kit estimation of ggt erba eb 200 2x22 2x6 point 8 , kit estimation of lipase erba eb 200 , kit for estimation albumin 5x22ml erba em 200 , kit for estimation bilirubin direct ebra em 200 5x22ml or 5x6 point 8ml , kit for estimation bilirubin total ebra em 200 5x22ml or 5x6 point 8ml , kit for estimation cholesterol ebra em 200 5x11ml , kit for estimation creatinine ebra em 200 5x30ml or 5x10ml , kit for estimation of glucose ebra em 200 10x44ml , kit for estimation of urea erba em 200 5x22 point 5x6 point 8ml , kit for estimation sgpt erba em 200 5x22ml or 5x11 point 7ml , kit for estimation total protein ebra em 200 5x6ml , kit for estimation triglyceride ebra em 200 5x11ml or 5x4ml , kit for estimation uric acid ebra em 200 5x11ml or 5x4ml , kit hb a1c kit of 50 test arkray , kit milk adultration test kit , kit siemens uro strips bott of 100 , kit stromatolyser bott of 500ml , monopersulphate compound virkon powder , mother and child identificatio

CTN :43302276

15 Jan, 2026 NA

Pondicherry - Pondicherry

Tender For rate contract for the procurement of consumables/non-consumables for the department of physiology - battery rechargeable 3000mah - aa 1.5v, battery rechargeable 900mah- aaa 1.5v, blotting paper - regular (filter paper) 60 x 60 cm, clamp electrodes for mortara eli 250 - one set should consist of 4 colors - black, red, yellow and green, corrugated tube antistatic :105 cm x 22 mm ( spares for studentâ€˜s spirometer), crocodile clip with plastic shield, ecg patient cable for mortara eli 250 - one piece cable with non replaceable banana end connectors and 15 pin d- sub connector, heparinized capillary tubes (100mm length, 0.5mm internal diameter) - pack size - 100 nos/pack, ishihara chart book for testing colour blindness with interpretation, jagerâ€˜s chart for near vision, "kymograph drum paper -measurements: length - 21 inches or more, width - 6 inches", lancets (sterile disposable) (pack of 200 nos), "micro capillary tube for clotting time 15cm in length& 0.1 mm in diameter without anti-coagulant - pack size - 100 nos/pack", microscopic oil (pack of 500 ml), mouthpiece disposable for vitellometer samples neded, near vision test type book sample needed, neubauer chamber with improved neubauer ruling (sample should be provided, if not will be subjected to rejection), pen torch light (runs with 2 aa batteries), perimetry charts, plastic dropper (diameter - 3 mm, total length - 8 cm, tube length - 6 cm), plastic tailor's measuring tape - 60 inches or 152 cms, power cord for monocular microscopes, pre gel electrods, "rbc pipette (german make)make: rohem'/riviera'/bioplus'/sunbeem (sample to be submitted, if not will be subjected to rejection)", sahli's heamoglobin pipette, sahli's heamoglobin stirrer, sahli's heamoglobin tube, silicon tubing - inner diameter - 10 mm, outer diameter - 6 mm for use in sthethography, snellenâ€˜s chart for visual acuity with english alphabets, tissue paper roll - 100grm, wbc pipette (german make) make: rohem'/riviera'/bioplus'/sunbeem (sample to be submitted, if not will be subjected to rejection), whatman filter paper no. 1- pack size - 100 nos/pack, equipments / small instruments, "adjustable height scale (wall mountable: 30-200 cm, resolution: 0.1 cm, graduations in mm) (sample to be demonstrated. otherwise subject to rejection).warranty 1 year", "algometer1. cylindrical metal body with one end consisting of a sliding metal slab with graduations marked 0, 1, 2, 3, 4 kgs2. one end is hand held and other is pressed on the body3. sample to be demonstrated", aneroid sphygmomanometer, artery forceps 5 â½" curved, artery forceps 5 â½" straight, "automated blood pressure monitor with arm cuffs of 3 sizes:1. upper arm cuff - i) pediatric sizeii) adult sizeiii) extralarge adult sizeto be validated by world hypertension league.warranty 1 year", "centrifuge apparatus:1. maximum rotational speed: 6000 rpm or above,2. maximum relative centrifugal force: 5070 g or above,3. angle head'/swing out heads for holding test tubes4. max capacity: 24 x 15 ml, safety lid interlock to prevent coveropening during centrifuge. warranty 2 years", "centrifugeâ€¢ digital speed indicatorâ€¢ number of slots 8â€¢ rotator capacity 8x15mlâ€¢ speed 5000rpmâ€¢ warranty 1 yearâ€¢ step less speed regulator.â€¢ safety lid interlock during centrifugation.â€¢ digital speed meter and digital countdown timer. (sample to be demonstrated). warranty 1 year", "compass aesthesiometer-1. metal body with length 8 â€“ 12 cm2. two arms with adjustable screw to increase or decrease the distance between the two tips from 0 to 7cm.3. sample to be demonstrated.", "detachable ink writing apparatus with ink well for writing on kymograph paper (to be used with marey's tambour for stethography):1. writing ink â€“ blue (4 nos)2. writing to be demonstrated.", digital chemical weighing balance scale ( 0.01gm- 500 gms) with wind shield and spatula. warranty 1 year, digital weighing scale ( measuring max weight of 180 kg), "ecg machine (brand: rms / bpl )1. sing

CTN :43235695

01 Jan, 2026 79.35 Lacs

Bharatpur - Rajasthan

Tender For e-procurement of laboratory equipments and other items at coa, kumher (deeg) - food grain cleaner machine, three phase, dalia making machine, sieving machine (for size grading), roaster (40-180 deg.), storage bins and silos, pasta extruder machine, dryer (for semi-dried and dried pasta), pasta cutting and shaping tools, digital moisture analyzer, dough mixer (planetary mixer), proofing chamber, deck oven, bread slicer (31 pieces, 6 inch loaf length, electric), cake molds and baking trays 20 nos., pastry tools 10 nos., digital weighing m/c capacity - 250 gm, display type lcd, digital weighing m/c capacity - 30 kg platform size: 300*300 mm, cooling racks, packaging machine, dough sheeter, color analyzer, protein analyzer, double distillation unit, double beam spectrophotometer, ph meter, hot air oven, fat analyzer, texture analyzer, air conditioner (ac) 2 ton star rating, bod incubator (temperature range: 05 c to 70 c, display: digital lcd / led), desert cooler - (plastic body) 150 lit water tank capacity 3 side honeycomb pads, refrigerator ( energy efficiency-3-5 star, total capacity- 415 liter ), autoclave - (working pressure: 15 to 22 psi working temperature: 121 c to 132 c, pressure control device: piezostat, size/capacity (liter ): 70), laminar flow - (velocity 90 fpm 20% hepa filter 99.999 % efficiency for particles >0.3 m cabinet laminated high quality wooden board /pcrc sheet powder coated/stainless steel ss 304 (optional 316 grade) work table 304 stainless steel (optional 316 grade) airflow speed control speed controller (three step speed controller), steel racks (20-gauge c.r. sheet), digital weight balance (0-50 kg), bag closer machine, iron rack, spade, bucket, sieve, refrigerator 300 ltr, automatic digestion & distillation unit for protein estimation, automatic seed/grain counter, trinocular microscope with photography attachment with computer, stereo binocular microscope, water bath, electronic weighing machine, seed displayer (4 cavity), seed displayer (12 cavity), artificial vagina set, california mastitis test kit (cmt) including paddle-500 ml, poultry drinker, poultry feeder, display models of cattles (sahiwal & gir), display models of buffalos (murrah & surti), display models of goats (jamunapari & sirohi), display model of sheep (merino), display model of poultry (kadaknath & white leg horn), lab display model of reproductive system of cattle (male & female), lab display model of digestive system of cattle, chargeable battery-operated hedge trimmer, chargeable battery lawn mower, premium hedge shear, lopping shear, grafting and budding knife, secateur, saw, stain less khurpa, hoe, rake, fruit and vegetable dehydration machine, electronic weighing balance, pan balance, microscope, digital ph meter, deep freezer, poly pouch sealer, binocular microscope, insect collection box, insect collection big boxes for museum, insect killing bottle, insect collection nets (hand nets), bee keeping unit equipment s (unit), thermometer maximum, thermometer minimum, digital anemometer, robinsons cup anemometer, soil thermometer 5 cm, soil thermometer 10 cm, soil thermometer 15 cm, ordinary rain gauge, double stevenson s screen, soil heat flux plate, digital lux meter, solar pyranometer, thermograph, hygrograph, chlorophyll meter, meter scale, brix meter, diesel engine pump set 10hp with iron frame fitted and accessories as per technical specification, tractor pto operated water pump set and accessories as per technical specification, sprinkler irrigation system and laying of underground pipe line for supply of irrigation water and other items for an area of 9 ha as per technical specification (ha. area)

CTN :43290568

06 Jan, 2026 5.99 Crore

Delhi - Delhi

Tender For supply of sports equipment t5 c c -adhesive tape width 4cms , adhesive tape 5cm w , dispenser adhesive tape , agility training hurdles , agility training ladder , air pump , cones , first aid box , grass cutting machine , hose pipe , lime marking machine , lime powder , marking rope 100 mtrs , measuring tape 100 mtrs , measuring tape 50 mtrs , measuring tape 30 mtrs , measuring tape 15 mtrs , medicine ball 1kg , medicine ball 2kg , medicine ball 3kg , medicine ball 4kg , medicine ball 5kg , medicine ball 6kg , medicine ball 7kg , medicine ball 8kg , medicine ball 9kg , medicine ball 10kg , medicine ball rebounder , medicine ball stand , relaxation roller , skipping rope , parachute , stop watch , swiss ball , thera band , weighing machine , whistle , sauna suit , victory stand , boundary fencing , flooring tiles , multi purpose turf , adjustable dumbbells , climbing rope , ground roller , jumping box , weight jacket , sledge , chin up bar , 2 5 kgs , 5 kgs , 7 5 kgs , 10 kgs , 12 5 kgs , 15 kgs , 20 kgs , 25 kgs , 30 kgs , 2 kgs , 4 kgs , 6 kgs , 8 kgs , 12 kgs , 14 kgs , 16 kgs , 18 kgs , 24 kgs , 28 kgs , ankle weight 500 gms , ankle weight 1 kgs , ankle weight 2 kgs , water jug , tyre , ab roller , battling rope , stepper , anklet , elbow , knee cap , ball carry bag , ball carry trolley , weight training set , sitting bench , yoga mat , flag post , iron pole 20 ft , shed , flexibility test equipment senior , flexibility test equipment juniors , hooter , massage gun , peg board , rain cover , locker , mugdar , wrist weight , boundary arena , changing room , wall pad , mashall , dumbells , laziums , bass drum , carrom board , ludo , flying disc , tenikot ring , basketball pole , cricket kit bag consisting of ) /bid number: gem/2025/b/6950683 * /dated: 22-12-2025 & & / bid document1 / 83

State Government

CTN :42756413

29 Dec, 2025 NA

Rupnagar - Punjab

Tender For corrigendum : purchase of biomechanical equipments - isokinetic dynamometer (pac), should be able to access/test various joints in isolation should be able to meet requirements to test sports personsshould be able to test in different resistance modes such as isokinetic (concentric-concentric, concentric-eccentric , eccentric, concentric , and eccentric-eccentric), isotonic, isometric, and passive protocols should include options for angles, hold-times, rest period, repetitions, and sets. the system should be able to test all the major body segments and joints such as shoulder, forearm, elbow, wrist, hip, knee, and ankle.should have adjustable range of motion stops in full 360 degrees. should have 360-degree rotation for the force arm (connecting dynamometer to the pedal) to have wide range of motionshould be able to accommodate different athletes with varying height and weight with provision for seatbelt harness for better stabilitythe dynamometer or chair should be movable to accommodate different athletes for quick set-up and better usability with locking clamps for securing the system in place for testingshould be able to do gravity correction when the limbs are positioned with the lever arm on the dynamometerthe software should be provided to analyze the raw data and export the raw and processed data in different file formats such as excel, text, etc. the software should provide detailed report for various testing protocols such as individual test for joints, data/graph overlay for comparing pre and post testing, repeatability, progress, multi-session.should be provided with latest compatible workstation/laptop of reputed brand like hp, dell (latest generation) processor, minimum16gb ram, windows os 11, and laser printerconcentric speed: 500 deg/sec or more eccentric speed: 500 deg/sec or more concentric torque: 500 ft-lb (678nm) or more eccentric torque: 500 ft-lb (678 nm) or more isometric torque: 500 ft-lb (678 nm) or more isotonic torque: 500 ft-lb (678 nm) or more isotonic torque as low as .5 ft-lbfeedback formats: roadway, interactive line, interactive path, reaction training, proprioception training, breakout, and pong.torques. time, torques. angle, torque bars, work bars, power bars. it should be possible to use mechanical stops even with custom patterns (important for safety in research)the same attachment should be usable for left and right side of subject for consistencies in data.should be certified and approved by ce/eu medical devices directives or usfda

CTN :42757832

25 Dec, 2025 NA

Imphal - Manipur

Tender For corrigendum : supply of supply science laboratory equipments d d--spring balance , magnetic compass , set of three resistors 5 ohm 10 ohm and 15 ohm , measuring cylinder , bar magnet , ring magnet , disk magnet , ushaped magnet , aluminium pipe , slinky , one way key , laboratory , stand , assembly 1 ms rod 2 boss head 3 base 4 clamp qnty each 120 , connecting wire crocodile clips , connecting wire banana clips , metal cylindrical with hook , pendulum ball with hook , split rubber cork , thread , concave mirror , convex mirror , lens double convex , lens double concave , prism , glass slab , plano concave , double convex lens , half cylindrical lens , cell holder , copper strip , enameled cupper wire , nichrome wire , nichrome wires , 1 dia 55mm 24swg , 2 dia 43mm 27swg , 3 dia 38mm 28swg , constantan wire , multicore flexible insulated electric copper wire , 250g weight with hook , ray steak box , protector half , plane mirror strips , beaker 50ml , stirrer , multimeter with battery , laboratory thermometer , i perspex lens holder , ii screen holder , iii candle holder , wooden scale optical bench , screen , candle , thumb pins , sand paper , pulley with frame rod , plastic box big , plastic box small , stopclock mechanical , kit box , compass , plastic strip a type , plastic strip b type , full protractor 360o , half protractor 180o , geoboard rectangular , plastic box , connectors for strips , connectors ttype , set square , rotating needle , scale , micro test tube , test tube holder , test tube stand , dropper with rubber bulb , glass rod and stirring rod , spatula , beaker 10 ml , funnel , dry cell holder , torch bulb with holder , beaker 50 ml , measuring cylinder 10 ml , w tube , tripod , kerosene burner , laboratory stand , litmus paper , watch glass , china dish , boss head , ms rod , clamp , base plate , gclamp , thermometer laboratory , ph paper , metals zn cu fe , emery paper and sand paper , iron nails , fe filings and zn dust , filter paper , micro test tube brush , dispensing bottle , vials , double mouthed flask , stop cock , pvc tube , micro filtration unit , copper electrodes , connecting wire , magnesium ribbon , cotton wool , wash bottle , pasteur pipette dropper , kit box along with carton , compound microscope , glass micro slides , washing brush , razor blade , micro test tubes , test tube holder , magnifying lens , watch glass , needles , forceps , blotting paper , test tube rack , surgical scissor , glass rod , cotton , muslin cloth , painting brush , measuring pan with holder , laboratory stand assembly , steel rod , clamp , boss head , assembly boiling tube with cork fitted glass tube , test tube 20ml , petridis , cover glasses , uclips , knifecutter , split cork , black paper , magnifying glass a type , a box of tooth pick , conical flask , permanent slides , parenchyma , collenchyma , sclerenchyma , epithelial tissue , striated muscles , smooth muscles , nerve cells , hydra budding , spirogya , binary fission in amoeba , hydra , j malarial parasite showing life cycle , k some diseased plants , l binary fission in paramoecium , specimens , starfish , tape worm , mosquito lifecycle , silk moth , honeybee , cockroach , earthworm , ascaris , plastic boxes

corporations/Associations/Others

CTN :43257898

16 Jan, 2026 20.42 Lacs

Bokaro - Jharkhand

Tender For supply of procurement of cni lab instruments for btps dvc d d -portable pneumatic pressure calibrator , microprocessor based universal temperature calibrator , hydraulic dead weight tester comparison type , portable ma mv loop calibrator , standard master pressure gauge , digital master pressure gauge , master test pr.gauge ) /bid number : gem/2025/b/7009279 * /dated: 19-12-2025 & & / bid document 1 / 16

CTN :43243548

26 Dec, 2025 5.00 Lacs

Calicut - Kerala

Tender For purchase of psychology equipments for the psychology lab of government college of teacher education, kozhikode - aesthesiometer (divider typ) (two point, graduated aesthesiometer,all metal electro plated), colour mixer (also called colour wheel) (electrically operated. variable speed. used for study of visual phenomena of colour perception of complementary and non-compelmentary colour development), colour contrast apparatus (different colour plates are used to show the phenomenon of colour contrast. an indispensable apparatus to introduce the said phenomenon.), successive contrast or after image apparatus: (the phenomenon o after image can be studied. the apparatus is handy, well furnished and provides all materials required for studying the said phenomenon.), depth perception apparatus:(the box with 3 needles provides enough room for studying the depth perception with electric bulb.), lifted weights set (metal): (a set of 12 metal tubes with removable or fixed tops containing certain weights. fine finish and superior quality. this is required in weight discrimination experiments in psychophysics for differential limen (dl), upper differential limen u dl), lower differential limen (ldl) determination.), muller-lyer illusion figure (with stand & scale): (a study and a handy set of mullerlyer illusionfigure. horizontal type with a stand to adjust the figure to the desired eye level of the subjects. variable figure operated by smooth sliding of the figure (in front of the experiment) on an attached mm scale. fine ficish and superior quality of work (20 ), answer sheets for muller- lyer illusion (a pkt.of 100), size-weight illusion (collins-drever model) (a set of 24 tubes with two standard stimuli of different weights. fine finishing and superior quality. supplied in a wooden handy box.), vertical horizontal illusion. (t and l forms with stand and scale.), optical illusion chart:(cloth bound showing fifteen well-know a illusion, five each of extent, direction and perspective.), phi-phenomenon apparatus: electronics.(consists of two lights holding small cabins with variable positions and time exposures. requires marcury cup metronome also, if an automatic operation of the apparatus is desired.), perception-influence of set:(two sets of 12 cards, each of which contains a pair of geometrical figures. one series introducing a set and the other serving as an experimental series ideal for studying influence of set), visual space perception apparatus:(consists of well polished wooden box(size: 30"x12"x l9"j. having two fixed lights and a third movable one with slides in the box perpendicular to the plane formed by tbe two fixed uprights. a fixed scale on top of the box enables one to find errors. the inside of the box is illuminated by means of two lamps. viewing slit is provided on the smaller end.), vase and face figures. (in 5"x 5" size on sturdy, iraportedcard board., galton bar: (it is one of the early but still very popular psychophysical experiments to demonstrate the problems of subjective (psychological) equality., whipples weight box: (consists of 2 standards and 20 comparison weights. the weights are made out of light metal and not of cardboard as made by some foreign firms. supplied with an attractive box lined with velvet to hold weights in individual compartments), shape and size discrimination apparatus:((t.k.k. japan model) this device examines the subjects size discrimination ability relying upon visual and tactile sensations as well as speed of shroting. the subject inserts 50 small discs or coins. which are different in size and thickness in five different ways, into the corresponding slit of holes as fast as possible. the practice is allowed only five times and the test is repeated twice.), colour preference cards:(a set of 8 cards of different colours.can be exposed through the gravity tachistoscope), colour preference wheel: colour preference wheel:(used for colour preference. using pair-by-pair comparison meth

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