Latest concave lens Tenders | Government concave lens Tenders

CTN :45238290

28 May, 2026 NA

Durg - Chhattisgarh

Tender For supply of fire extinguisher, exhaust fan, first aid box, hot plate, compound microscope, test tube (box of 100)15x125, boiling tube, beaker: borosil 100 ml, beaker: borosil 500 ml, flask conical: borosil 100 ml, tripod stand 6'x4', wire gauge, filter paper 12.5 cm, funnel small borosil glass, funnel plastic small, funnel big soda glass, funnel plastic big, spatula: 6" long s.steel, flask round bottom: borosil 100 m, thermometer, glass rod, dropper 6", dropper 4", deflecting spoon, plane mirror, stand for plain mirror, test tube holder: brass, scissor-good quality 4", chart for display, scientist's portraits, concave mirror, concave lens, separating funnel: borosil 250 ml, china dish: routine 3", petri dish 3", needles staining, thermometer, spring balance (250 gm), humb pin, bunsen burner: export quality (brass), gas pipe for burner, nozele for burner (with clamp), prism, gas jar: size 6"*2", tongs (s.steel) 6", convex mirror, convex lens, hand wash liquid, hand sanitize, iodine solution 500ml, copper sulphate, sodium hydroxide pallets, match box (ship), plain slides, cover slip box, ethano, litmus paper blue, litmus paper red, sodium chloride, hydrochloric acid, hydrochloric acid (dil.) n/10, methyle orange solution, phenolpthliene solution 125 ml, lime water, magnesium ribbon, sulphur powder, zinc granuels, insectivorous plant specimen 9, hydrilla plant-museum specime, teeth model (diff.teeth), model of a simple pendulam, life cycle of silk moth, root nodules specimen, bacteria slide, (bacilli,cocci, spirilla), ameoba slid, amfora binary fission/slide

CTN :45239427

08 Jun, 2026 NA

Delhi - Delhi

Tender For providing of design installation and maintenance of educational lab/centre - science lab; as per bid document; buyer - fire extinguisher, exhaust fan, first aid box, hot plate, compound microscope, test tube (box of 100)15x125, boiling tube, beaker: borosil 100 ml, beaker: borosil 500 ml., flask conical: borosil 100 ml, tripod stand 6x4, wire gauge, filter paper 12.5 cm, funnel small borosil glass, funnel plastic small, funnel big soda glass, funnel plastic big, spatula: 6" long s.steel, flask round bottom: borosil 100 m, thermometer, glass rod, dropper 6, dropper 4”, deflecting spoon, plane mirror, stand for plain mirror, test tube holder: brass, scissor-good quality 4", chart for display, scientist's portraits, concave mirror, concave lens, separating funnel borosil 250 ml, china dish: routine 3", petri dish 3", needles staining, thermometer, spring balance (250 gm), u-shaped magnet 2", specimens, permanent slide on different top, pin hole camera, kaleidoscope metal, magnetic compass 2", bar magnet "aln 100" 2

Central Government/Public Sector

CTN :45205290

26 May, 2026 NA

Dhanbad - Jharkhand

Tender For auction sale of others - disposal of miscellaneous scrap released materials such as:- (1) element zink, qty=3025 kg. (2) poly carbonate lens (white) 213 x 102 mm fl, lens (yellow) 136 mm, lens (red) 140 mm, 13mm fl, lens (green)140 mm, 13mm fl, lens 101 mm green for route, lens 101 mm white, lens white, 127 x 70 mm fl, lens white 213 mm, 102 fl, lens green 92 mm, 16 fl, glass jar for ad cell, styron acrylamide nitrite (san) jar with poly polypropylene lid for awe- z type cell, bulb lamp elect. 12v/25w (3 pin), bulb 12v/33w, qty=1898 kg. (3) tag block, tape steel, tape metallic, tape measuring steel, p g clamp, current regulator, 8 way barrier terminal, digital insulation tester, solar panel, 4w/2w combined potable control telephone, indicator disc type 1000 ohm, c spike, a binding wire, 2 wire cnl telephone, digital multi meter (defective), digital tough tester, 10 swg wire, spray gun (broken), earth tester, power meter with sensor, qty=40 kg. (4) set square paratone 60-45, set square paratone 45-4, pvc flexible pipe 20 mm, fiber optical cable assembly, pvc cable channel 15 mm (plastic), qty=10 kg. (5) double ply tent soldries size 12 x 12, soldries single fly tent 12x12x2"x2", banner flag red, flag hand signal red, flag hand green, qty=221 kg. (6) transformer u type, transformer of sorts, signal transformer 110/12v, 40va, transformer 110/110v, 150 va, transformer 300v/12v, 40va, transformer 110/300 v, 60va, transformer 300 v/100v, 150 va, transformer 110v/300v, 150 va, qty=1371 kg. (7) voltage regulator 5 kva (broken & damaged), qty=01 no. (8) voltage regulator 3 kva (broken & damage), qty=01 no. (9) battery charger of shorts, qty=08 nos. (10) 3 pole lamp holder w/o base, lamp harrican, 3 pole lamp holder with base, lamp petromax baby, 3 pole lamp 12v/24w, hand signal lamp, qty=2604 nos. (11) ct box 100 pair, qty=01 no. (12) relay ac 4f/b, (self type), relay non ac, 4f/b, 2f/b(self type), qty=125 nos. (13) relay ecr lamp proving (on aspect) qecx-51, qty=40 nos. (14) relay ecr lamp proving (off aspect) qecx-52, qty=118 nos. (15) relay plug in type dc-track qt2, qty=108 nos. (16) relay plug in type qt1, qty=19 nos. (17) over load relay with time delay of 69 sec (timer 1010), qty=85 nos. (18) relay p1-150 & 150a, (4f/2b, 4f/1b), 24v dc, qty=532 nos. (19) relay of sorts timer relay, relay qucx-1, relay qsra1(8f/8b), esra-1 (8f/4b), relay qfpr1, qty=733 nos. (20) dc track relay rtd 02-0.5v (hm) 2f/b, qty=78 nos. (21) relay thermal time element (2f/1b), qty=47 nos. (22) relay point contractor nr/or (gn), qty=240 nos. (23) plug board nr/or, hv relay, qty=165 nos. (24) relay p-p1 style 2f/1b)(24 pin per relay), qty=24 nos. location:- dhanbad store (gd-i & ii) & re store under sse/sig/w/dhn.

CTN :45124161

27 May, 2026 75.00 Lacs

Jaisalmer - Rajasthan

Tender For equipment of seience lab for 25 govt. schools - interior artwork (3 walls + ceiling) , wallpaper-1 wall, , phases of moon (manual), , newton's colour dise, , day and night (manual), , solar lunar eclipse (manual), , ray optic kit, , solar energy kit, , structure of atom, , weight on other planets, , nervous system, , zodiac constellation (3x3 feet), , we are made of stars (5x3 feet), , planisphere (3x3 feet), , space fun facts posters, , indian astronauts biopic posters (3x2 feet), , 3d charts of descriptions of physics, , 3d chart of description of geography, , star laser pointer pen +2 duracell balleries, , 6 inch dobsonian telescope, , solarfilter, magnifying glass, , concave lens, , convex lens, , concave mirror, , convex mirror, , prism, , model of rock set, , model of mineral set, , model of metal set, , model of heart, , model of eye, , model of ear, , model of kidney, , ph paper, , litmus paper-blue, , evaporation experiment. 1 retort stand, i spirit lamp,1 china dish, 1 wire gauge double, itripod stand, , filtration experiment-1 retort stand, i retort ring, 1 furmel, 1 beaker 500ml, 1 filter paper (100 pieces), , atomic balls, , model of brain, , skeleton, , litmus paper-red, , vemier caliper, , screw gauge, , newton ist law, , newton 2nd law, , newton 3rd law, , virtual reality box, , augmented reality (ar) board, , science and math's kit tender microscope , microscope prepared slides, , microscope plain slides, , maxwell wheel, , human torso (magnetic), , brachistochrone curve, , digestive system chart, , primary colours of light, , tuning fork, , separation of substances chart, , test tube, , test tube stand, , animal cell, , plant cell, , magnetic sot, , chemistry kit, , biology kit, , dissection box, , spirit lamp solution, , tds meter, , extra-3 1st law strip, 3 curve balls, 3 bulb far ray optie, , wooden racks on 3 walls

CTN :45092628

15 May, 2026 NA

Delhi - Delhi

Tender For supply and delivery of school requisites 2026 secondary (physics) - , beaker borosilicate glass", flask conical, flask round bottom, funnel glass with stem, glass boiling tube, measuring cylinder, measuring cylinder, measuring cylinder, measuring cylinder, test tube, capillary tube glass, measuring cylinder, mirror plane, bare nichrome wire, alcohol, aluminium foil (m), bare constantan wire, bare copper wire, bulb, cardboard sheet, cell, connecting wires, cotton thread, cotton wool, "enamelled copper wire", eye wash bottle (unit), filter paper, fire extinguisher, first aid kit box, fire extinguisher, fuse cartridge type in transparent glass body, fuse cartridge type in transparent glass body, insulating tape, iron filing, matches, paper clips, plasticine, sellotape (unit), soldering wire, string (ficelle), thumb tack, blue tack, paper cup, paper straw, "blade for wood and metal", cutter with non flexible metal blade, engineer vice, hacksaw, hammer, hammer, pliers, screw driver set, soldering kit, "wire stripper automatic with incorporated wire cutter", ammeter, ammeter, balance electronic, banana plug, banana plug, block perspex, block perspex, boss head, bulb holder, bulb holder, bulb holder, capacitor, capacitor, capacitor, cathode ray oscilloscope, cell holder, clamp, clip bulldog, clip crocodile stainless steel, cork borer, cork rubber, difraction grating for spectrometer, difraction grating for spectrometer, difraction grating for spectrometer, diode - led, diode - led, diode -junction type, displacement vessel, electric bell in glass bell jar, electric kettle (unit), electromagnet, electromagnetic kit, electrostatic kit, fire blanket, funnel plastic, g by free fall apparatus, g clamp, galvanometer, galvanometer, galvanometer, gas jar tall, glazed cabinet for locker keys, haig wave machine, half metre rule, hall probe, helmholtz coils, "insulated socket - black", insulated socket - red, jockey, jug, lamp box wooden, lens converging, lens converging, lens converging, lens diverging, lens holder, leslie's cube, light dependant resistor ldr with connecting leads, light gate + timer, lighter, liquid level apparatus, loudspeaker, magnet bar, magnet horse shoe, magnet horse shoe, magnet magnadur, magnetic needle, magnifying glass, mains extension lead, "masses slotted with hanger", "masses slotted with hanger", "masses slotted with hanger", "masses slotted with hanger", "mercury spectral lamp/ gas discharge lamp for use with spectrometer(to be used with item pe330)", metal block calorimeter cylindrical, metal rod cylindrical, metre rule, micrometer screw gauge, microphone, microwave 2.8 cm wave equipment set:, microwave equipment, milliameter, multimeter, optical pin, pendulum bob, pendulum bob, pendulum bob, ping pong ball, plane mirror, plotting compass, polaroid strip (pair), power supply, prism perspex, prism perspex, ray optics box, "resistance coil standard unit", "resistance coil standard unit", "resistance coil standard unit", "resistance coil standard unit", retort stand, rheostat, ripple tank, rubber bung, rubber bung, rubber bung, rubber tubing, ruler plastic, scale pan aluminium, scissors, signal generator, slinky helix, smoke cell, sound wave demonstration kit, spring, spring balance (newton meter), "spring balance(newton meter)", spring balance(newton meter), spring extension, spring extension, spring extension, stop watch-digital - of good quality, stopwatch analogue, stroboscope, switch plug key type, "thermal conductivity kit", thermistor, thermistor probe, thermometer clinical, thermometer (digital), thermometer, alcohol in glass, torch electric, tray plastic, tube hollow, tunning fork, vernier callipers metal, voltmeter, voltmeter, voltmeter digital, ball and ring apparatus, bimetallic strip, board, "convection demonstration apparatus", hand stroboscope, immersion heater, "metre bridge wheatstone", motor/generator electric, "photo detector unit in casing", photocell, screen wooden, spirit level, steel ball be

Central Government/Public Sector

CTN :45160134

19 May, 2026 NA

Dhanbad - Jharkhand

Tender For auction sale of others - disposal of miscellaneous scrap released materials such as:- (1) element zink, qty=3025 kg. (2) poly carbonate lens (white) 213 x 102 mm fl, lens (yellow) 136 mm, lens (red) 140 mm, 13mm fl, lens (green)140 mm, 13mm fl, lens 101 mm green for route, lens 101 mm white, lens white, 127 x 70 mm fl, lens white 213 mm, 102 fl, lens green 92 mm, 16 fl, glass jar for ad cell, styron acrylamide nitrite (san) jar with poly polypropylene lid for awe- z type cell, bulb lamp elect. 12v/25w (3 pin), bulb 12v/33w, qty=1898 kg. (3) tag block, tape steel, tape metallic, tape measuring steel, p g clamp, current regulator, 8 way barrier terminal, digital insulation tester, solar panel, 4w/2w combined potable control telephone, indicator disc type 1000 ohm, c spike, a binding wire, 2 wire cnl telephone, digital multi meter (defective), digital tough tester, 10 swg wire, spray gun (broken), earth tester, power meter with sensor, qty=40 kg. (4) set square paratone 60-45, set square paratone 45-4, pvc flexible pipe 20 mm, fiber optical cable assembly, pvc cable channel 15 mm (plastic), qty=10 kg. (5) double ply tent soldries size 12 x 12, soldries single fly tent 12x12x2"x2", banner flag red, flag hand signal red, flag hand green, qty=221 kg. (6) transformer u type, transformer of sorts, signal transformer 110/12v, 40va, transformer 110/110v, 150 va, transformer 300v/12v, 40va, transformer 110/300 v, 60va, transformer 300 v/100v, 150 va, transformer 110v/300v, 150 va, qty=1371 kg. (7) voltage regulator 5 kva (broken & damaged), qty=01 no. (8) voltage regulator 3 kva (broken & damage), qty=01 no. (9) battery charger of shorts, qty=08 nos. (10) 3 pole lamp holder w/o base, lamp harrican, 3 pole lamp holder with base, lamp petromax baby, 3 pole lamp 12v/24w, hand signal lamp, qty=2604 nos. (11) ct box 100 pair, qty=01 no. (12) relay ac 4f/b, (self type), relay non ac, 4f/b, 2f/b(self type), qty=125 nos. (13) relay ecr lamp proving (on aspect) qecx-51, qty=40 nos. (14) relay ecr lamp proving (off aspect) qecx-52, qty=118 nos. (15) relay plug in type dc-track qt2, qty=108 nos. (16) relay plug in type qt1, qty=19 nos. (17) over load relay with time delay of 69 sec (timer 1010), qty=85 nos. (18) relay p1-150 & 150a, (4f/2b, 4f/1b), 24v dc, qty=532 nos. (19) relay of sorts timer relay, relay qucx-1, relay qsra1(8f/8b), esra-1 (8f/4b), relay qfpr1, qty=733 nos. (20) dc track relay rtd 02-0.5v (hm) 2f/b, qty=78 nos. (21) relay thermal time element (2f/1b), qty=47 nos. (22) relay point contractor nr/or (gn), qty=240 nos. (23) plug board nr/or, hv relay, qty=165 nos. (24) relay p-p1 style 2f/1b)(24 pin per relay), qty=24 nos. location:- dhanbad store (gd-i & ii) & re store under sse/sig/w/dhn.

CTN :45113828

28 May, 2026 NA

Hyderabad - Telangana

Tender For supply of ir viewer with nd filter , ir cards , thermal camera , kinematic mount for large circular optics dia 100mm , kinematic mount for circular optics dia 50mm , kinematic mount for circular optics dia 25mm , v type adjustable lens mount: dia 100mm , beam dump , optical post type-1 , optical post type-2 , optical post type-3 , switchable magnetic post bases , manual lab jack , optical rail: length 500mm , carrier for optical rail , five axis positioner , xy post base , table clamps , x-y liner stages , round apertures type 1 , round apertures type 2 , round apertures type 3 , absorptive nd filter kit , interference filter , optical power head & compatible analog power meter , shearing interferometer

Central Government/Public Sector

CTN :45115507

22 May, 2026 58.50 Lacs

Bilaspur - Chhattisgarh

Tender For supply of computer monitor (v2) (q2) , full hd camera console , full hd -cmos camera head with optical zoom lens , hd arthroscope , light source led with 2 fiber optic cable , arthroscopy shaver , hand instruments

CTN :45118836

29 May, 2026 NA

Mumbai - Maharashtra

Tender For tender for supply of cctv system at bpcl mumbai refinery - wth proof hd ptz camera c , hd fixed bullet cameras and mfz lens c , int exp proof hd ip ptz camera isom , int exp proof hd ip ptz camera ph5 , int exp proof hd ip ptz camera das , hd ip fixed dome camera c , 8 port ind. gr. lyer 2 man. poe es c , 8 port ind. gr. lyer 2 man. poe es i , 8 port ind. gr. lyer 2 man. poe es ph5 , 8 port ind. gr. lyer 2 man. poe es das , cctv ind. psu. c , cctv ind. psu. i , cctv ind. psu. ph5 , cctv ind. psu. das , exproof cctv fld ljb isom , exproof cctv fld ljb ph5 , exproof cctv fld ljb c , exproof cctv fld ljb das , client work station isom , client work station ph5 , client work station c , client work station das , ult. hd displ. led 4k isom , ult. hd displ. led 4k ph5 , ult. hd displ. led 4k c , ult. hd displ. led 4k das , ind. gr. lyer 3 es 24 port isom , ind. gr. lyer 3 es 24 port ph5 , ind. gr. lyer 3 es 24 port c , ind. gr. lyer 3 es 24 port das , sys cab. 800 x 2100 x 1000 ph5 , sys cab. 800 x 2100 x 1000 c , sys cab. 800 x 2100 x 1000 das , sys cab. 800 x 2100 x 1000 wh , pwr 3c x 6 sqmm fs arm cu cbl e , grwd 1c x 10 sqmm fs cu cbl c , cat 6 fs arm cable c , sgl mod. arm fo cbl c , 6 port liu din rail mount isom , 6 port liu din rail mount ph5 , 6 port liu din rail mount c , 6 port liu din rail mount das , optical patch pigtails 1m isom , optical patch pigtails 3m isom , 24 port liu rack mount isom , 24 port liu rack mount ph5 , 24 port liu rack mount c , 24 port liu rack mount das , srvr wth 21 led mont isom , srvr wth 21 led mont ph5 , srvr wth 21 led mont c , srvr wth 21 led mont das , nas ph5 , nas das , cctv electrical acessories isom , cctv electrical acessories ph5 , cctv electrical acessories c , cctv electrical acessories das , cctv com. spr acess. isom , cctv com. spr acess. ph5 , cctv com. spr acess c , cctv com. spr acess das , cctv software isom , cctv software ph5 , cctv software c , cctv software das , instln , comm. &train. of cctv sys isom , instln , comm. &train. of cctv sys ph5 , instln , comm. &train. of cctv sys c , instln , comm. &train. of cctv sys das , 1st yr amc aft. std. wart. of cctv sys i , 1st yr amc aft. std. wart. of cctv sys p , 1st yr amc aft. std. wart. of cctv sys c , 1st yr amc aft. std. wart. of cctv sys d , 2nd yr amc aft. std. wart. of cctv sys i , 2nd yr amc aft. std. wart. of cctv sys p , 2nd yr amc aft. std. wart. of cctv sys c , 2nd yr amc aft. std. wart. of cctv sys d , 3rd yr amc aft. std. wart. of cctv sys i , 3rd yr amc aft. std. wart. of cctv sys p , 3rd yr amc aft. std. wart. of cctv sys c , 3rd yr amc aft. std. wart. of cctv sys d

Central Government/Public Sector

CTN :44925702

18 May, 2026 NA

Goa - Goa

Tender For corrigendum : supply of retrieval pump as per encl , nitrogen cylinder water capacity 50 ltrs approx , portable trolley for handling cylinder 100 kg approx , portable refrigerant leak detection kit as per encl , slider lever grease gun with all accessories as per encl , pistol grip grease gun with all accessories , set of files as per encl , set of forged pliers as per encl , circlip remover internal , circlip remover external , electric hand held manual engraving machine as per encl , automatic center punch as per encl , measuring tape steel 300 mm , sounding tape stainless steel as per encl , vice bench parallel 125 mm quick release type , vice bench parallel 150 mm , metal tool box as per encl , hot air blowers for improving insulation of panels , vaccum cleaner hand as per encl , industrial portable vaccum cleaner with 900 w motor , portable wet vaccum cleaner , portable spray painting gun machine , high pressure washer as per encl , multi range portable conductivity meter as per encl , portable ph meter with 0.1 ph resolution , clamp on ultrasonic flow meter pipe dia 50 200 mm , portable vibration meter as per encl , portable usb high speed dvd of reputed make , portable usb hard disk 1 tb of reputed make , snap on battery as per encl , portable digital multimeter , soldering iron 25 watt flux soldering wire 20 mtrs , digital insulation tester , battery capacity tester , ac dc clamp meter , digital oscilloscope , rf power meter , cable power detector , power quality analyser , optical power meter , endoscope set recording , snap on mirror uim2lm , magnifying lens with light , heavy duty magnets , buffing machine , portable electric grinder as per encl , portable heavy duty grinder as per encl , hydraulic nut cracker as per encl , screw stud extractor as per encl , digital clock as per encl , inclinometer , air blower as per encl , spring balance , spanner wheel 12 , battery powered 2.0 ton lister as per encl , bicycle , tricycle , snap on set of adjustable wrenches as per encl , snap on combination wrench set as per encl , snap on ratchet combination wrench set as per encl , snap on ring end wrench set as per encl , snap on open end wrench set as per encl , snap on insulated open wrench set as per encl , snap on insulated hex key of size mm 3 4 5 6 8 10 , impact socket set as per encl , snap on t shape speeder wrench as per encl , snap on l hexagonal short arm key set as per encl , snap on l hexagonal long arm key set as per encl , snap on pliers locking std grip curved jaw as per encl , universal wrench set snap and grip key wrench , heavy duty straight pipe wrench od size 6 8 12 24 48 . , heavy duty offset pipe wrench of size 14 18 24 inches , aluminium straight pipe wrench of size 10 12 and 18 one each , snap on interchangeable head typ torque wrench as per enc , universal torque wrench for 10 100 nm , cordless impact wrench as per encl , stroboscope as per encl , non contact digital tachometer , non contact thermometer as per encl , ultrasonic level detection kit as per encl , hydrocarbon analyzer for pol tanks as per encl , kitiwake coolant analysis kit as per encl , kitiwakelub oil analysis kit as per encl , pol lab test apparatus incl //bid details 2 / 95 accessories as per encl , universal temperature calibrator as per encl , portable high temp precision calibrator as per encl , smart press calibrator as per encl , portable hydraulic flushing kit as per encl , m25 spanner square typ , m20 spanner open end , foot pump as per encl , centre punch

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