Latest borosilicate flask Tenders | Government borosilicate flask Tenders

CTN :39853630

07 Apr, 2025 NA

Kannur - Kerala

Tender For purchase of lab,blood bank reagents and other consumables at district hospital kannur - purchase of lab,bloodbank reagents & other consumables for 2025-2026, ammonium sulphate (500 gm), barium cloride 10% (500 ml), benedicts reagent (500 ml), blood lancet, brush for microscope, brush small, clot activator tube (5ml), dengue 1gg/1gm card test, dengue ns1ag card test, disposable esr pipette, whatman filter paper,circle, fouchets reagent (125 ml), geimsa stain (500 ml), glucose +ketone bodies urine strip, glucose + protein urine strip, hbsag card test, hcg (upt) card test, hcv card test, heam test (occutt blood), heparin tube, hitachi cup, k3 edta tube (5ml), labo clean (5ml), leishman stain (500 ml), leptospira card test, liquid paraffin (500 ml), liquor ammonia (500 ml), microscopic cover slip, micro pipett fixed volume, micro pipett variable volume, micro slides, ph paper, sodium citrate esr tube, sodium citrate bottle3.8% (2 ml), sodium flouride coated bottle, sodium nitroprusside (100 gm), syringe 1 ml, test tube -glass (12 x 100mm), bullet vial - plastic, urine centrifuge tube- glass, urine sample container, urine sample container (sets sterile), vdrl (syphillis) card test, white tip (small) -5-20 micro ltr, yellow tip - 20-200 micro ltr, blue tip, widal slide test kit, round plaster, matrix gel card- 144t, liss solution ( 25 x 250ml), micro tips,1.5 ml, rpr card, anti d, blend (10 ml), anti d, igm (10 ml), anti a (10 ml), anti a1, lectin (10 ml), anti b,10 ml, anti d,igg 10 ml, anti h lectin, malaria card, hiv elisa test kit-96t, hbsag elisa kit (j .mithra)- 96t, hcv elisa kit (tulip)-96t- 96t, filter paper sheets, skin stapler (steel), disposable surgery kit, bd spiral needle no.25, bd spiral needle no.27, disposable syringe with needle 5ml, disposable syringe with needle 2 ml, et tube no.7, et tube no.7.5, dyna plast, ecg electrodes, top o plast (1mtr), ringer lactate ivf (500 ml) glass bottle, ecg paper- bpl 9108 d-z fold -210 x 140 x 140-12 channel (original with 80gsm), ecg paper- bpl 9108 -z fold a4 -12 channel(original with 80gsm), ecg paper- bpl 6108t-single channel (original with 80gsm), ecg paper- bpl 6208 view -80 x 20 mtr- 3 channel(original- 80gsm), ecg paper rolled 210- 12 channel, ctg paper, tmt paper(schiller), ecg gel- 250 ml, bpl limb electrodes clip (04 nos/box), bpl chest electrodes (06 nos/box), swab stick (sterile tube), ortho- phthalaldehyde solution -5ltr can, tourniquet, liquid detergent, rpr test kit, plastic test tubes(riya tubes)(100 nos pkt), sulphosalycylic acid-500 ml btl, sulpher powder-pkt, isopropyl alcohol-500 ml btl, aso test kit, whatman no.1 filter paper, x ray ( computerised radio graphy- model a), fuji film (18 cm x 24 cm) or ( 8" x 10"), fuji image plate (18 cm x 24 cm) or ( 8" x 10"), fuji cassette (18 cm x 24 cm) or ( 8" x 10")

State Government

CTN :39862487

04 Apr, 2025 35.00 Lacs

Adimaly - Kerala

Tender For supply of lab reagents thq - heamatology analyser 3000 mindray, diluent 20l, rinse 20l, lyse 500 ml, ez cleaner 50 ml, probe cleaner 50 ml, heamatology analyser 6000 mindray, ds diluent 20 l, m6lh lyse, m6ln lyse, m6ld lyse, m6fn dye, m6fd dye, probe cleanser, leishmans stain, lancet, vesmatic 20 esr machine, vaccutech tubes, qualcyle 10 esr machine, esr tubes, mispa i2 ( 2 machines), crp, hba1c, d dimer, trop t- rosche cobash, trop t- rosche cobash, electrolyle ckk lyle (na+ k+) pack, daily cleaner, qc, urine analysis, urine strip (g&k) acctone, urine strip (g&p), upt cards, sulphosalicylic acid solution 3%, sulpher power, barium chloride 10% solution, fouchets reagent, filler paper (dr.watts) no 1, microscopic glass slide, cover slip (18*18mm), ria vials, glass test tube 15*125 mm, blood grouping sera a,b,d, n/10 hcl, biochemistry analyser, ra, aso, hbsag, hcv, dengu ns1, dengu igm, igm leptospirosis card test, carbogen rpr test kit, widal card, glucose reagent for semi auto biochemistry analyser, fully automatic biochemistry analyser, glucose, cholesterol, tgl, hdl, urea, creatinine, uric acid, bilirubin total & direct, sgot, sgpt, total protein, albumin, alkaline phosphate, qc norm for bs 390 biochemistry analyser, qc path for bs 390 biochemistry analyser, multy calibrator, amylase, lipase, calcium, phopherus, alkaline washing solution, hormonal test, tsh, t3, t4, free t3, free t4, feritin, transferrin saturation, iron, consumables, k3 edta tube, clot activator tube, heparine tube, urine container, scew capped sample vial, hitachi cup, blue tip, yellow tip, bullet vial, ria vials, reagents for pt inr test (erba), reagents for aptt test (erba), internal qc for heamatology bc 6000 analyser

CTN :39829012

04 Apr, 2025 13.45 Lacs

Aurangabad-Mh - Maharashtra

Tender For supply of pathalogy lab kits to this office for year 2024-25 - anti a, b, d set (blood group kit), hbs ag kit, vdrl kit (strips) for syphills, pregnancy kit, widal slide test, uristics (100 strips), rapid dengue kit, biofix spray, n/10 hcl, test tube/ 5ml, glass rods/ stailning, edta tube, plane tube, flouride tube, distilled water, filter paper, lens paper/ tissue paper, slide box wooden, cover slip square, microscopic glass slide, hb tube square, hb pipette, finger prick lancet, glucometer strips/ glucospark, dispo.syringes 2.ml, dispo.syringes 5.ml, sodium hypocholride sol usp, torniquet belt, dispo. dropper 5.ml/ 3.ml, urine container, glass marker pen

CTN :39776750

19 Apr, 2025 102

Karkala - Karnataka

Tender For supllies of lab reagnts and accessories for taluk general hospital karkala - ghk-hcv card, ghk-lamp for biochemistry analyser bs-200 e, ghk-cell cleaner for automated cell counters part sysmax xn 330, ghk- lysercellwdf for automated cell counters part sysmaxxn 330, ghk-sulfolyser for automated 5 part cell counter sysmax xn 330, ghk-cell pack dcl 20lit for 5 part all counter sysmax xn 330, ghk-fully automated biochemistray analayser bs 200e cuvelte segments, ghk-fully automated biochemistray analayser bs 200e mindry probe, ghk-qualicheck norm & path for cst 240 biochemistray analayser, ghk-bath additivse solution for sct 240 biochemistray analayser, ghk-alkaline washing solution cs-t240 biochemistray analayser, ghkk-p.m kit for cst240 biochemistray analayser, ghk-aso test qantitativse method for biochemistray analayser, ghk-ra test qantitativse method for biochemistray analayser, ghk-hepatitis e card, ghk-hepatitis a card, ghk-culture swab, ghk-sodium hypochloride solution, ghk-tourni kit (imported), ghk-capillary tubes 100x1, ghk-microscope slide 50x1, ghk-cover slips, ghk-glucometer strips, ghk-glucometer, ghk-urine container(non sterile), ghk-urine sample container sterile, ghk-plastic test tubes, ghk-bullet vials 500x1, ghk-glass test tubes, ghk-filter paper circle, ghk-tissue paper role, ghk-micro cover slips, ghk-blood lancet 100x1, ghk-microscope bulb, ghk-micro pippers variable 10-50 micro l, ghk-micro pippets fixed 500 micro l, ghk-micro pippets fixed 1000 micro l, ghk-micro tips (yellow) 1000x1, ghk-micro tips (blue) 1000x1, ghk-microscopic slides 50x1, ghk-non vaccum sodium citrate tubes, ghk-non vaccum fluride tubes, ghk-non vaccum plan tubes, ghk-non vaccum edta tubes, ghk-urine strips (10 parameter) per 100, ghk-urine strips(alb & sug) per 100, ghk-esr disposable tubes, ghk-spiritol, ghk-n/10 hcl 500 ml, ghk-3.8% sodium citrate, ghk-glucose-d 75 gms, ghk-widal test kit, ghk-aslo test kit, ghk-ra test kit, ghk-leishman stain, ghk-blood group (abd combo kit ), ghk leptospira(igg & igm), ghk-dengue igg & igm kit, ghk-malaria rapid kit, ghk-urine pragnancy kit, ghk-vdrl kit, ghk-hbsag kit, ghkk-thermal printer paper role, ghk-m-53p probe cleanser(50 ml) , ghk-m-52 lh lyse(100 ml) , ghk-m-52 diff lyse(500ml) , ghk-m- 52d diluent( 20 ltr) , ghk-thermal printer paper role, ghk-hb reagent (cyanmeth method), ghk-hdl cholesterol, ghk-triglycerides, ghk total cholesterol, ghk- uric acid, ghk-creatinine, ghk-urea, ghk-glucose, ghk-ferrtin, ghk-d dimer, ghk-ldh, ghk-crp, ghk-multi control level 2 , ghk-multi control level 1 , ghk-lipid calibrator , ghk-multi sera calibrator , ghk-calcium , ghk-ggt , ghk-alkaline phosphatase (alp) , ghk-sgpt(alt) , ghk-sgot(ast) , ghk-albumin , ghk-total protein , ghk-direct bilirubin , ghk-total bilirubin , ghk-ldl cholesterol , ghk-hdl cholesterol , ghk-triglycerides , ghk-total cholesterol , ghk-uric acid , ghk-creatinine , ghk-urea , ghk-glucose , ghk-g-80 detergent

CTN :39798795

27 Mar, 2025 7.50 Lacs

Sirohi - Rajasthan

Tender For supply of lab items zoology gc reodar- el'plectella,, scyi'ha, hyalonema, spongllla, euspongia, metrldlum, aurelia,, alcyonium,, physalia,, corallium, gorgonia,, pennatula,, madrepora,, enterobius, dugesia, fasciola, taenia, schistosoma, dracunculus, ascaris (male and female), wucheraria, peripatus., nereis, heteronereis,, aphrodite,, arenicola,, chaetopterus, hirudin aria., onychophora :, limvlus,, aranea,, palajvfnaeus,, lepas,, balanus,, apus, sacculina, eupagurus,, carcinus, lepisma, pediculus, bombyx, apis, cimex,, julus,, scolopendra,, ixodes, mytilus., chiton., teredo., turbinella,, laviculus, limax, doris, aplysla, dentalium, nautilus, sepia, octopus, loligo, pecten, solen., pinctada, asterias, pentaceros., antedon., ophiothrjx., holothurla, hemichordata:, l.balanoglo us, 2.saccoglossus., urochordata- ciona, pyrosoma. doliolum salpa, cephalochordata- amphioxus, agnatha- petromyzon. ammocoete larva, pisces -echeneis., sphyr-na., torpedo., pristls., anabas., hippocampus., chjmaer-a.., anguilla,, protopterus, ampidbia, ichthyophts., axolotl larva, . salamander,, bufo., plpa., amphiuma, alytes, trionyx, calotes., varanus., phrynosoma,, heloderm . .<\,, vip era., typhlops, bungarus., hydrophis, eryx., aves-, p lttacula,, passer, bubo,, model of archaeopteryx, mammals, felis, erinaceous,, hystrlx crocedura,, manis, acinonyx juba tus,, equus caballus, mschus moschiferous., columba livia,, pteropus, dr.a,co,, exocoetus,, chamaeleon,, perlpetus, spinel' ant eater, permanent microscopic slides, protozoa, monocystis,, euglena,, noctiluca,, tr yp anosoma,, nyctotherus,, par.a,mecium,, vorticella,, blood smears showing malarial par."site., par."mecium: binary fission, conjugation, porifera, t.s. and l.s. of sycon., spicules,, spongin fffires and gemmules, coelenterata, lo belia (colony and medusa), planula, scyphistoma and ephyra larvae of aurelia,, t.s. of mesentry of metridium, pla tyhelmtnthes, mirl,cidium, sporocyst, redia and cercaria larvae of fasciola,, scolex of taenia, w.m. of mature and gravid proglottids of taenia,, hexacanth and cysticercus larvae of taenia., aschelmtnthes, t.s. of as carl (male and femlu.e), anneuda, t.s. of nereis through different regions,, parapodia of nereis and heteronereis., tro hophore larva., arthropoda:, v.s. of compound eye,, nauplllis, l oea,, megalopa larvae and mysis, mouth parts of insects, head and mouth parts of mosquioeto anapheles, head and mouth part of butterfly, t.s. of shell of la..mellidens,, glochidium larva, echinodermata, t.s.ofarm, tubefeet and pedicel la ria,, bipinnaria larva of starfish,, echlnopluteus larva., . hemichordata :tornerla larva., urochordata-, t.s. through phar ynx show1ng gonads, t.s. through caudal region., pisces, placoid,, cycloid and ctenoid scales, v.s. of skin, amphibia, v.s. of skin,, frog fertilized egg, frog unfertilized egg, frog t.s. of testis,, frog t.s. of kidney, frog-t. s. of liver, reptilia, v.s. of skin and t.s. of stomach., aves, t.s. of inte tine, t.s. of liver, t.s.ofovary, , filoplume w.m ., types of feet and cla ws in birds, mammals, i) t.s. of pancreas,, 2) t.s. of thyroid gland,, 3) l.s . of pltuitar y gland,, 4) t.s. of intestine,, 5) l.s . of kidney,, 6) t.s. of testis and ovary and v.s. of skin, t.s. of lung, embryological slides (individual), chi k embryo: w.m. is hours of incubation, chick embryo: w.m.24 hours of incubation, chick embryo: w.m 36 hours of incubation, chick embryo: w m.72 hours of incubation, chick embryo: w.m.96 hours of incura. tion, frog (disarticulated bones), rabbit bones, fowl bones, v aranus bones, alcohol - ethanol, eosin, xyelne, hemtoxylene, acetocarmin, carnoy's fluid, chloroform, glacial acetic acid, ferric chloride, nacl, sodium citrate, giemsa stain, methylene blue, distilled water, dpx, formaline, toluene,, starch, iodine solution, alcohol - stain- xylene- dpx series bottles, alcohol -st ain-xylene- dpx series stands, slide box, cover slips, alcohol lamps for slide prepara tion, petri dlsh- noj

State Government

CTN :39595017

05 Apr, 2025 79.50 Lacs

Panchkula - Haryana

Tender For corrigendum : supply of biology lab equipments - student, with, dissecting, camera, double, eye, microscopic, slide, permanent slides, sclerenchymatissue, epithelialtissue, musculartissuestriate, d, musculartissuenonstri, ated, musculartissuecardia, c, nervefiber, t.s.dicot, monocotstem, t.s.dicot, monocot, fungi, bacteriabacillus, algaeoscillatoria, algaespirogyra, fungirhizopus, fungiyeast, l.s.funaria, amoeba, parenchymatissue, collenchymatissue, t.s.ofneriumleaf, t.s.oflotuspetiole/st, em, v.s.ofshootapex&root, apexofadicot., macerated bougain, villea xylem &phloem, macerated, tridaxstem xylem &, phloem, bacteriaspirillum, oscillatoria, spirogyra, rhizopus, yeastbudding, amoeba, entamoeba, plasmodium, ts.stem of sun flower, t.s.stem of maize, t.s.root of sun, flower, t.s.root of maize, t.s.of stem showing, collenchyma, t.s.of stem showing, sclerenchyma, t.s.of stem showing, parenchyma, v.s. of ovule showing, embryosac, , prophase i leptotene-, zygotene, prophase i pachytene, prophase i, diplotene-diakinesis, metaphasei, anaphasei, telophasei, metaphaseii, anaphaseii, telophaseii, , prophase, metaphase, anaphase, telophase, petridishes, petridishes, testtube, testtube, pipettes, conicalflask, test tubes, (forobservations), with test tube stand, test tube plastic, with lid, test tube stand, test tube draining, tray, testtubedrainingtray, leaf clasp, measuring tape, syphon pump, pinch clip, beakers, blotting paper, watch glass, dropper glass, pasteur pipette, desiccators with, cover, funnel, test tube holder, chromatography, paper, butter paper, filter paper no.1, glass rod, tripod stand, reagent bottle 250ml, (borosilicate)glass), slide box, lab cleaning kit, lab safety kit, labsafetychart, petridishplastic, studentutilityset, chartsshowinghuman, physiology, model of dna helix, model of heart, model of human, model of human, model of human, kidney, model of human, brain, model of digestive, system/circulatory, sytem/muscular, system/respiratory, system, humanskeltonmodel, (full size), leishmans stain, safranine solution, glycerin, benedict solution, biuret reagent, sudan iii, ph paper, amoeba, hydra, liverfluke, ascaris, earthworm, leech, samplestorage, instrumentstray, instrumentstray, mortar&pestle, cavityblock, harbarium sheet, graph sheet, sand paper, scalpal handle, specimen bottle, universal bottle, ryle,s tube, slide mailer, cotton roll, masking tape

State Government

CTN :39595036

05 Apr, 2025 1.20 Crore

Panchkula - Haryana

Tender For corrigendum : supply of science lab equipments - glass slab, glass prism, magnetic compass, bar magnet, drawing boards, spring balance, stop clock with start, stop & fly back, action, resistance box plug, type, optical bench,, constantan wire, mirror strip with, holder, meter rod, resistance coil, voltmeter, galvanometer, laclanchee cell, ammeter, battery eliminator, connecting wire, convex lens, convex lens, concave lens, concave lens, concave lens, concave mirror, concave mirror, concave mirror, convex mirror, convex mirror, convex mirror, magnifying glass, magnetic needle 3, with stand, zinc rod, zinc plate, copper plate, ohm's law, apparatus, one way key, two way key, thermo meter (c), ebonite rod, ring and ball, apparatus, rheostat, pulley plastic, horseshoe magnet, metallic bob with, hook, water proof wall, hangings charts, daniel cell (copper, vessel), digital balance, capacity 500gm, mass box in 1-2-2-, series up to 100, gms., non soldering, circuit board, clamp stand, plumb line, charts showing, human physiology, student microscope, with light source, dissecting, microscope, microscopic glass, slide, petri dishes, petri dish, cover slips, forceps, dissecting needle, spirit lamps, test tubes with test, tube stand, test tube draining, tray, test tube draining, tray, student utility set, beakers, beakers, test tube holder, blotting paper, watch glass, measuring cylinder, dropper glass, funnel, butter paper, filter paper no. 1, glass rod, tripod stand, slide box, bacteria bacillus, algae oscillatoria, algae spirogyra, fungi rhizopus, fungi yeast, l.s. funaria, amoeba, parenchyma tissue, collenchyma tissue, sclerenchyma tissue, epithelial tissue, muscular tissue, striated, muscular tissue non, striated, muscular tissue, cardiac, nerve fiber, mitosis, meiosis, t.s.dicot stem and, monocot stem, t.s.dicot root and, monocot root, fungi, human skelton, burette, blow pipe, beehive shelf, bottle brush, chart colour ph, ph paper, china dish, capillary tube, rubber cork, cork-borer, pipette serological, graduated, measuring cylinder, pestle & motor, wash bottle, reagent bottle, narrow mouth, iron stand made, sheet metal, sand paper, spirit lamps s., spatula stainless, steel, test tube brush, magnesium ribbon, zinc metal graules, iron metal turnings, magnetic kit, sphere set, digital voltmeter, digital ammeter, triangular file, trough, thermometer, chemical alcohol, thistle funnel, wire gauge, watch glass, ordinary glass, wicks for burner, elements card set, model of diamond, structure, model of graphite, structure, water condenser, porous pot, rubber cork, rubber cork, rubber cork, stirrer, storage box, instruments tray, instruments tray

CTN :39721833

07 Apr, 2025 NA

Deoghar - Jharkhand

Tender For supply of syringe 3 ml , syringe 5 ml , vacutainer vials edta pack of 100 pcs , vacutainer vials plaingel tube pack of 100 pcs , tourniquet pack of five , chiller ice box , needle sharp container box , serum ferritin elisa kit , vitamin b12 elisa , folic acid elisa , serum hepsidin elisa , cotton roll non absorbent , sterilium , hand sanitizer 500ml , leishman stain sigma aldrich , microscopic glass slide pack of 50 slides , tissue roll , immersion oil , nitrile gloves medium , 2 to 20 ul micropipette , 20 to 200 ul micropipette , 100 to 1000 ul micropipett , 0point1 to 2point5 ul micropipette , methylene blue stain for reticulocytes

CTN :39741420

08 Apr, 2025 NA

Betul - Madhya Pradesh

Tender For supply installation and commissioning lab equipments , etc - package1, anemo meter, binocular dissecting microscope, binocular microscope, cod analyser, digital colony counter, digital tds meter, dslr camera, farmel s photometer, ganongs photometer, ganongs respirometer, microscopic camera, moll.s half leaf apparatus, ph meter, slide cabinet with 12 showcase, slide reader, mirowave oven, compound micrscope, dissecting microscope, research microscope with digital photography, micropipette 10, micropipette 20, micropipette 100 l, herbarium cabinet, water and soil testing kit, dna isolation kit, colorimeter, auxanometer, noise level meter, ph electrode, water bath double wall, tissue culture rack, dissolved oxygen meter, slide box 50 slides, dissection kit, osmotic pressure appratus, micro tips 10 l, micro tips 200 l, d.o. meter, digital conductivity meter, ph meter, digital balance, magnetic stirrer, digital colorimeter, melting point apparatus, digital potentiometer, water bath rectangular, polarimeter, refrigerator, reflux condenser, chemical storage rack, h2s gas keep apparatus, vacuum pump, melting point/boiling point apparatus, sprayer with rubber bulb, exhaust fan, desiccator, chromatography jar, mortar and pestle, gas lighter, stop watch, laminar air flow/ laminar hood, electrophoresis unit (horizontal) with power supply, autoclave, gel documentation system, centrifuge, colony counter, homogenizer, incubator (orbital shaking), ph meter (microprocessor based), bod incubator, cod analyser, tds meter, digital thermometer, flame photometer (photo diode sodium, potassium,, soil and water analysis kit, mili-q water purifier, micropipette10 l, micropipette 20 l, micropipette100 l, micropipette1000 l, turbidity meter, stethoscope, sphygmomanomet er, cold box, glucometer, anatomy structure model stomach part (human torso complete), anatomy structure model ent part, anatomy structure model digestive system, anatomy structure model genital and pelvis, colorimeter, pcr tube (tarsons individual pcr tube 0.5 milliliter), micro tip box 10-200 l, micro tip box 100-1000 l, micro tip box 1-20 l, micro tips 200 l, micro tips 1000 l, pcr tube 0.5 l, pcr tube 0.2 l, reagent bottle 100 ml autoclavable, reagent bottle 500 ml autoclavable, eppendorf 15 ml, inoculating loop, petridish 75 mm, falcon tube 15ml, falcon tube 50ml, dna-isolation kit, refrigerated micro-centrifuge, centrifuge tube, thermo-mixer, mortar and pestle, petri dish, dissection kit, nanodrop (biored), conductivity meter, research microscope with digital photography, ultra low temperature lab deep freezer (-80c), analytical balance, ultra centrifuge, deep freezer (-20 degree c) blue star 401-500 liters, refrigerator (4 degree c) double door, electrophoresis unit (vertical) with power supply, thermocycler semi-quantitative, conical flask 100 ml autoclavable, conical flask 500 ml autoclavable, conical flask 1000 ml autoclavable, beaker 50ml, cover slip 10 box, petridish 75mm, beaker 50ml, beaker 250 ml, conical flask 250ml,500ml, water cooler with purifier, rydberg s constant using hydrogen discharge tube, frank hertz experiment, fabry- parot etalon, millikan s oil drop method, pn-junction diode, zener diode, pnp/npn transister(ce and cb mode), jfet, electricalkettle with variable voltages, platinum resistance thermometer, electromotive force of a thermocouple, clement- desorme s method, thermal conductivity using calorimeter, mechanical equivalent using joule calorimeter, critical constant of a gas/vapour, poiseuille s method, maxwell s needle appratus, determination of moment of inertia, determination of force constant of a spring, lcr circuit, determination of poisson s ratio of rubber, lissajous figures with the help of cro, melde s experiment, i- curve byspectrometer, prism using sodium light, newton s ring (plano-convex), liquid using newton s ring, sodium light using plane defferaction grating, polarimeter, resolving power of a telescope, charging and discharging a condens

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