Latest concave lens Tenders | Government concave lens Tenders

State Government

CTN :45291700

06 Jun, 2026 NA

Bhabhua - Bihar

Tender For supply of glass 250 ml , ac to dc eleminator1.5 volt to 12 volt , ammetere with stand ranges , bar magnet horse shoe magnet , bar magnetometre with campass , boiling tube with side delivery tube for boiling point measuremet , calorimetre with stirrer , convex concave lenses mirrors2 , convex concave lenses mirrors3 , copper voltametre , digital multimeter , drawing board 1218 , drawing pin , dry cell 1.5 volt , fortain barometre , galvanometre with stand , glass slab 2 , measuring cylinder plastic100 ml borosilicate glass , measuring cylinder plastic1000 ml borosilicate glass , measuring cylinder plastic 250 ml borosilicate glass , measuring cylinder 500 ml borosilicate glass , metre bridge four wire one metre long with jockey , mgnyfying glass with steel handle , milli ammetre with stand , milli volt metre with stand , mirror lense stand metallic , mirror lense stand wooden , optical bench , pendulum bob with hook brass , physical weight box , pin with stand of various height , plain mirror with stand , plastic pulley , plug key four way , plug key one way , plug key two way , pn junction diode , pnpnpn transitor , polythene wash bottle 500 ml , p n junction diode , potentiometre ten wire with sliding jockey , prism glass 2 , resonance tube apparatus , rubber tube , sahulbrass , scale 12 metre , scale1 metre , screw guage , slide calliper vermier , slotted weight for sonometre , sonometre , specific gravity bottle 25 ml. , spectrometer , spherometer , spiring balance 1000 gms. , spirit lamp metallic , spirit level , stop watch digital , tapping key , thermometer , tunning fark pad , voltmetre with stand , wall thermometer maximum minimum , wooden cubewooden spherecylinder , zener diode charastrictic apparatus , beaker 250 ml borosilicate glass , beaker 500 ml glassborosilicate glass , bell jar glass , bunsen burner with stop cork , capillary tube , chart , chromatographic papers , conical flask 100 ml borosilicate glass , conical funnel borosilicate glass , cork , cover slips glassenglish , desicator6 , different type model , dissecting box , dissecting tray , dropper 6glass , dropping bottle 60 ml glass , farmers poto meter glassborosil type , filter paper 11cm , forceps 4 , fractional weight , glass stirrer , glass tube , hygro meter dry wet , human skeleton , iron stand with clamp and bosse head , litmus paperblue , litmus paperred , magnifying glass with steel handle 2 , measuring cylinder 100ml plastic , measuring cylinder 250ml plastic , measuring cylinder 500ml plastic , measuring cylinder 50ml plastic , morter pestle 4 , museum spceimen genera , needle , permanent slide , petri dish 3 , ph paper , prepared slide box fibre , reagent bottle wm nm 125 ml , slide plain glass , staning racksix tube , test tube hard glassborosilicate glass , test tube stand fiber , tripad stand 66 best quality , wash bottle polythene500 ml , watch glass 3glass borosilicate glass , wire gauge 6 , steel almirah for laboratory asbsusdus pad with frame , beaker glass 250 ml, borosilicate glass, beaker glass 500 ml,borosilicate glass , behieve shelf procillian , beurett 50ml. with teflon stop corck,borosilicate glass, burner with lock , china dish basin 2 2.5 3 , conical flask glass 100ml borosilicate glass , conical flask glass 250ml borosilicate glass, conical flask glass 500ml borosilicate glass, conical funnel glass 3 borosilicate glass, corck borrer set three metalic borosilicate glass, cork pressure metallic ss8, crushible with lid procillian , deflection spoon copper, dessicator , dropper 6, filter paper 11cm 1pkt , fractional weight box , gas jar 62 lid , glass stirrer 4 , glass tube borosilicate glass, test tube hard glass glass, iron ring with bose head //bid details 2 / 121

State Government

CTN :45291988

06 Jun, 2026 NA

Bhabhua - Bihar

Tender For supply of machine wrist action , vdrl shaker experiments , flask shak useful for uniform , automatic pippeteobtains , ac to dc eleminator 1.5 volt to 12 volt , ammetere with stand different ranges , bar magnet horse shoe magnet , bar magnetometre with campass , boiling tube with side , calorimetre with stirrer , convex concave lenses mirrors 3 , convex concave lenses mirrors3 , copper voltametre , drawing board 12 18 , drawing pin , dry cell 1.5 volt , fortain barometre , galvanometre with stand , glass slab 2 , measuring cylinder plastic 100 ml , measuring cylinder plastic 1000 ml , measuring cylinder plastic 250 ml , measuring cylinder plastic 500 ml , metre bridge four wire , mgnyfying glass with steel handle , milli ammetre with stand , milli volt metre with stand , mirror lense stand metallic , mirror lense stand wooden , optical bench , pendulum bob with hook 3 4 brass , pin with stand of various height , plain mirror with stand , plug key four way , plug key one way , plug key two way , pn junction diode , pnp npn transitor , polythene wash bottle 500 ml , p n junction diode , potentiometre , prism glass 2 , resonance tube apparatus , rubber tube , sahul brass , screw guage , slide calliper vermier , slotted weight for sonometre , sonometre , specific gravity bottle 25 ml. , spectrometer , spherometer , spiring balance 1000 gms. , spirit lamp metallic , stop watch digital , tapping key , thermometer rc , tunning fark pad , voltmetre with stand , wall thermometer , wooden cube wooden , zener diode charastrictic , p.o. box measurement , laboratory centrifuge , fly wheel experiment for store energy , mosfed characteristic , scr characteristic , digital electronic , newtons ring apparatus , travelling microscope , dial type resistance boxes , tangant galvanometer apparatus for , energy band gap apparatus , dip circle metallic body , weight box brass , six position microscope , sodium vapour lamp , transistor characteristic apparatus , rheostate 200mm lo , function generator , beaker 250 ml glass borosilicate glass , beaker 500 ml glass borosilicate glass , bell jar glass , bunsen burner with stop cork , chart , chromatographic papers , conical flask 100 ml borosilicate glass , conical funnel 3glassborosilicate glass , cork , desicator 6 , different type model , dissecting box , dissecting tray , hygro meter dry wet , iron stand with clamp and bosse head , measuring cylinder 100ml plastic , measuring cylinder 250ml plastic , measuring cylinder 500ml plastic , morter pestle 4 , museum spceimen general , permanent slide , petri dish 3 glass , reagent bottle wm nm 125 ml , slide plain glass , staning rack six tube , test tube hard glass borosilicate glass , tripad stand 6 6 best quality , wash bottle polythene500 ml , dissecting microscope , binocular microscope , student microscope large fixed stage , pathological microscop magnification , haemometer hb , haemocytometer , uv chromatography inspection , ph meter table type , deionizer , human articulated skeleton , prepared slides , magnetic stirrer , electrical ovens , photoelectric calorimeter , blood cell calculator , rotary microtome , autoclave vertical asbsusdus pad with frame , beaker glass 250 ml, borosilicate glass, beaker glass 500 ml,borosilicate glass , beurett 50ml. with teflon stop corck,borosilicate glass, burner with lock , china dish basin , conical flask 100ml borosilicate glass , conical flask 250ml borosilicate glass, conical flask 500ml borosilicate glass, conical funnel borosilicate glass, corck borrer set three borosilicate glass, cork pressure metallic, crushible with lid procillian, deflection spoon copper, dessicator , filter paper 11cm //bid details 2 / 133

CTN :45124161

04 Jun, 2026 75.00 Lacs

Jaisalmer - Rajasthan

Tender For corrigendum : 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

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 :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 :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 :45024430

08 May, 2026 NA

Multi City - Multi State

Tender For supply of computer table,tables 4 3 ft,office desk,rotating office chair,red cushion chairs,book shelves,computer with lib mgmt software,inkjet colour printer,broadband connection,wifi router,ups online,lib books,led tube light 20 w,led bulb 9 w,table lamp with holder for bulb 9 w,electric switches,switch boards,mcb 63 ampere,200 mtr copper wiring 1 5 sq mm,door curtains size 6ft 3ft,window curtains size 5 5ft 6ft,ro filter 8 ltr,paint 20 ltr light blue colour,distemper 20 ltr,floor tiling 11ft 55 ft tile size 16 16,cement bag 25 kgs,meter scale,vernier scale,screw gauge,spring balance,convex lenses,concave lenses,optical bench,lab mirrors,ammeter,voltmeter,rheostat,battery,stopwatch,thermometer,test tubes,potentiometer boards,beakers,conical flasks,burettes,bunsen burners,test tube holder,litmus paper book,ph paper book,h so,hcl,na cl,na oh

CTN :44735844

30 Apr, 2026 NA

Hyderabad - Telangana

Tender For corrigendum : supply of beam dump mirror with mount , type-i plano convex lens with mount , type-ii plano convex lens with mount , type-iii plano convex lens with mount , plano concave lens with mount , collimator mount plate

CTN :44560679

23 Apr, 2026 NA

Raipur - Chhattisgarh

Tender For corrigendum : supply of integrated science lab equipment/kit - wire gauze, kipp’sapparatus, daniel cell chart, laclanche cell chart, acetone, acetic acid 100ml, acetocarmine soltuion-125ml, aluminium chloride, aluminium carbonate, aluminium metal turning 100gm, ammonium hydroxide(ammonia)-100ml, ammonium sulphate, aniline(for synthesis), arsenic trichloride, arsenic sulphate, bromine water, biuret reagent-125ml, borax carmine solution125, aqueous solution)-125ml, boric powder 100gm, buffer capsules ph-4.0-10pcs, buffer capsules ph-7.0-10pcs, buffer capsules ph-9.2-10pcs, calcium chloride 100gm, calcium carbonate precipited, calcium sulphate, chloroform 100ml, cobalt chloride-100gm, cobalt nitrate-100gm, copper sulphate 100gm, copper chloride, copper metal turning-100gm, glucose powder, spirit lamp, beaker 50ml, beaker 250 ml., beaker 500 ml., measuring cylinder, tripod stand, cavity block, capillary tube, rubber cork, ammonium chloride, barium carbonate, barium chloride, barium sulphate, edta di sodium salt-100gm, bendict's solution 100ml, 2,4-dinitrophenyl hydrazine-25gm, complement of set, subset and superset, de morgans's law, distributive laws, decoding relations and functions, trigonometric function (cos x), trigonometric function (tan x), principal of mathematical induction, complex numbers, permutation and combination, arithmetic mean and geometric mean, three dimension, limit and continuity, inverse trigonometric function ( sin-1), inverse trigonometric function (cos-1), inverse trigonometric function (tan-1), inverse trigonometric function (sin x and sin-1x), rolle’s theorem, lagrange’s mean value theorem., increasing and decreasing, maxima and minima., integral, ????→. (????̅ × ????→), intersection of two planes, plane passing through the line of intersection of two plane, angle between two planes, linear programming, probability, conductive and non conductive materials, electric generator, convection heat transmission by conduction, working dc motor fleming’s left hand rule, convergent and divergent rays light -reflection and refraction, pinhole camera, laboratory stand, steel roller, induction coil ( 10 mm spark ), sonometer, double concave lens, double convex lens, drawing board, led, pn junction diode, transformer model, ic, transistor, meter scale, jockey, manganin wire, pins, plumb line (small size), potentiometer, wire gauze, capacitor, zener diode, bread board, banana plug connecting wire, crocodile clips, graphs paper, led torch, pn junction diode characteristics apparatus apparatus, zener diode characteristics apparatus, ping pong ball, g clamp 3”, polaroid, candle, block & tackle apparatus, screw driver, micrometer chart, vernier callipers chart, resistance colour coding chart, vernier calipers, screw gauge, glass slab, prism, magnetic compass, bar magnet, multimeter, resistance box, meter bridge, inclined plane, mirror strip with plastic holder, volt meter with stand, galvanometer, leclanche cell, ammeter with stand, battery eliminator, variable power supply, connecting wires, concave mirror, convex mirror, ohms law apparatus, plug key, plug key, rheostat, u‟ shaped magnet, bob with hook, copper calorimeter with stirrer, daniel cell, electronic balance, soldering kit, soldering mat, measuring cylinder, tripod stand, cavity block, capillary tube, rubber cork, student microscope with light source, dissecting microscope, nervous system chart, muscle system chart, human eye chart, human excretory chart, skin chart, spirit lamp, beaker 50ml, beaker 250 ml., beaker 500 ml., tripod stand, cavity block, rubber cork

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