bids are invited for science laboratory items chemistry lab items , biology lab items , physics lab items , junior science lab items # requirements qty chemistry lab 1 ( in acrylic showcase ) , diamond crystal model ( assembled in showcase ) 1 2 ( in acrylic showcase ) , graphite crystal model ( assembled. in showcase ) 1 3 periodic table chart, jumbo raxine, 120 x 160cm 1 4 mendleevs periodic table, 75 x 100 raxine 1 5 reagent bottle. narrow mouth ) , amber colour, 250 ml 2 6 feask, b.g. flat bottom, 1000ml 1 7 pipette pump 10ml 1 8 atomic model set ( euro design ) tescher set 1 9 , balance dietali capacity 300gm, l.c. 0.01gm ( 10mgl 1 10 digital stop clock 1 11 models for demonstration, electrolysis apparatus 1 12 chemical its reaction 1 13 chromatography jar apparatus, ( size 10x3 ) . 1 14 chromatography paper sheet 5 15 label book sticker type 1 16 ph colour chart, 70x100cm 1 17 ph paper ( indica ) , in card board box ph o-14 pkt of 100 lvs 1 18 separating funnel, 8.g. / 500m 1 19 universal ph indicator 500ml 1 20 pen type digital thermometer -50 to +300 deg c. 1 21 tollens reagent 100ml 1 22 fehling solution no. 1, 500ml 1 23 fehling solution no. 2, 500ml 1 24 oxallc acid 99.5%, 500gm 1 25 ferrous ammonium sulphate 98.5% ( ammonium ferrous sulphate ) , 500 gm 1 26 distilled water 5 lt can 1 biology lab 1 cavity slide glass ( pack of 10 ) single cavity slide 1 2 dissection box ( 17 instruments ) , surgeon make, deluxe quality 1 3 skeleton with in built torso with stand ( removable parts ) 1 4 dna model on stand 1 5 pumping hear model working ( imported ) 1 6 human kidney, kidney on stand ( big ) superior 1 7 human respiratory system model on board model on board 22x12 1 specification sheet 8 specimen in plastic jar, zoology speciment of tapeworm 1 9 specimen in plastic jar, zoology speciment of star fish 1 10 specimen in plastic jar, botany speciment of bryophylium ( reproductive leaf ) 1 11 specimen in plastic jar, botany speciment of calotropis 1 physics lab 1 spring balance tubular acrylic 250gm 2 2 vernier callipers wheel type, 12 cm, stainless steel. 1 3 meter scale, one meter, superior quality ( wooden ) . 2 4 youngs moduls apparatus searle’s apparatus ( young modulus ) , brass with wall mount for searles apparatus ( young modulus ) . with two 4 nut & bolt & with two screw & washer 1 5 galvanometer ( dc with stand ) 30-0-30, edm-80, ( square ) . 1 6 resistance box large ( brass ) plug type; constantan coil, 1 / 2 brass block, teak wood case ( deluxe quality ) , 1 to 5000 ohm. 1 7 resistance box small ( brass ) plug type; constantan coil, 1 / 2 brass block, teak wood case ( deluxe quality ) , 1 to 500 ohm. 1 8 resistance box coil round bakelite case. range 1 ohms 1 9 resistance coil, round bakelite case. range 5 ohms 1 10 resistance coil, round bakelite case. range 10 ohms 1 11 zener diode ( apparatus ) for characteristics completer kit with two meters on board ( superior ) 1 12 battery eliminator ( superior quality ) dc, 2-12v dc, 2amp 1 13 meter bridge ( wheatstone bridge ) , heavy sunmica base to avoid bending ( pencil jockey ) 1 14 optical bench ( metal double rod ) , brass pipe, 1meter long ( half shaper riders ) . 1 15 resonance apparatus with 25mm s.s. pipe. 1 16 iron stand with optical pin & bosshead 1 17 lens ( exact focal length ) dia 2 fl 15cm, convex lens ( exact ) 1 18 glass mirror plate, 10cm x 10cm. 1 19 dropper glass with teat, rubber teat, 6 1 20 lens ( exact focal length ) dia 2 fl 15cm, convex lens 1 21 concave mirror f.l.15cm, dia 50mm 1 22 glass prism; equilateral 60x60x60º, 50mm ( superior quality ) 2 23 bell experiment apparatus ( bell in bell jar ) . 1 24 air pump for bell in bell jar ( bell experiment ) . 1 25 cell holder, plastic ( d size cell ) provided w / o cell - two cell 1 26 drawing board 12x18~ ( superior quality soft wood ) 1 27 electric bell model on wooden stand, demonstration type, ( wooden medium size ) 1 28 friction apparatus. 1 29 gold leaf electroscope, wooden frame 1 30 kaleidoscope 1 31 apparattus: light travel in straight line ( set of 3 ) wooden. 1 32 models for demonstration: bio gas plant 1 33 models for demonstration: good & bad conductor ( circuit board ) 1 34 models for demonstration, persistence of vision ( bird in cage ) 1 35 models for demonstration : newton colour disc with rotating wheel on stand 8 acrylic screen printed disc with heavy base ( superior quality ) 1 36 periscope plastic 1 37 reflection of light kit 1 38 reflection of sound apparatus big size 1 39 simple pendulum apparatus stand type ( with retort stand + 1 bob + cork & thread ) 1 40 capillary tube ( set of 3 different dia. ) 6 length. 1 41 models for demonstration: atomic model set junior 1 42 educational raxine charts ( size 75x100cm ) ; physics: optics ( white raxine ) , chart: images formed by mirror 1 43 seperatory funnel 250ml 1 44 models for demonstration skeleton with built torso ( removable parts ) with stand 1 45 models for board: animal cell 10x15 1 46 models for board: plant cell 10x15 1 47 human body on board 10x15 1 48 models for demonstration human circulatory system basic models on board 10x24 1 49 human ear basic model on base 1 50 human eye basic eye model on stand 1 51 human excretory system bsic on board 10x15 1 52 human heart on stand ( 2 parts dissectible ) 1 53 human lungs basic model 1 54 human respiratory system lkbi basic model on board 10x24 1 55 human teeth basic model on board 10x15 1 56 botany specimens ( seed germination in jar ) germination on gram seed 1 57 educational raxine charts ( size 75x100cm ) ; physics: optics ( white raxine ) , chart: images formed by lenese 1 58 educational raxine charts ( size 75x100cm ) ; chemistry: organic ( white raxine ) , chart: refining of petroleum 1 59 educational raxine charts ( size 75x100cm ) ; biology: nutrition ( black raxine ) , chart: balanced diet 1 60 educational raxine charts ( size 75x100cm ) ; biology: nutrition ( black raxine ) , chart: vitamins 1 61 educational raxine charts ( size 75x100cm ) ; botany: fungi ( black raxine ) , chart: rhizopus structure & reproduction 1 62 bar magnet alnico make superior quality heavy ( parco type ) , 50x15x10mm ( 2 ) . 1 63 cell holder, plastic ( d size cell ) provided w / o cell, two cell ( note: item also quoted above in #62 ) 1 64 compass magnetic ( aluminium ) one side glass, dia 25mm. 1 65 magnifier ( metal frame ) with magnifier ( bakelite handle ) , 3 1 66 models for demonstration: heating effect of current 1 67 simple cell ( voltic cell ) consists of copper & zinc plate in plastic jar 1 68 stop watch: digital 1 / 100 sec race make 1 69 multistem digital thermometer with probe -50 to +300degc ( imported ) . 1 70 circuit board simple pattern 1 71 prepared slide for microscope, permanent slides of human r.b.c 1 72 filter paper pkt; dia 12.5cm ( machine made fine quality ) . 1 73 phenophthalein indicator 125ml 1 74 litmus paper blue 100 ls 1 75 litmus paper red 100 ls 1 76 speciment: life history of butterfly 1 77 iron filing 500gm 1 78 glass slides plain slide, size 75x25mm glass, thickness 1.35 ( pk of 50 ) 1 79 specimen in plastic jar, zoology speciment: star fish 1 80 specimen in plastic jar, botany speciment: red rot of sugarcane 1 81 concave mirror focal length 10 cm dia 50mm 1 82 focal length 15 cm dia 50mm ( note: item also quoted above in #58 ) 1 83 focal length 20 cm dia 50mm 1 84 focal length 25 cm dia 50mm 1 85 convex mirror focal length 10 cm dia 50mm 1 86 focal length 15 cm dia 50mm 1 87 focal length 20 cm dia 50mm 1 88 focal length 25 cm dia 50mm 1 89 concave lens focal length 5 cm dia 50mm 1 90 focal length 10 cm dia 2 1 91 focal length 15 cm dia 2 1 92 focal length 20 cm dia 2 1 93 convex lens focal length 5 cm dia 50mm 1 94 focal length 10 cm dia 2 1 95 focal length 15 cm lens ( exact focal length ) dia 2 fl 15cm, convex lens ( exact ) ( note: item also quoted above in #57 ) 1 96 focal length 20 cm dia 2 1 97 mirror stand wooden v shaped 1 98 zinc granules a.r. - 99.9% ( confrms to acs specification ) , 250 gm 1 99 spring balance, tubular acrylic 250gm ( note: item also quoted above in #38 ) 1 100 test tube ( borosilicate glass ) , hard glass 10x75mm, 3ml pk of 100 1 101 test tube ( borosilicate glass ) hard glass, 12x75mm, 5ml pk of 100 1 102 test tube ( borosilicate glass ) , hard glass, 12x100mm, 7ml pk of 100 1 103 test tube ( borosilicate glass ) hard glass, 15x125mm, 10ml. pk of 100 1 104 test tube ( borosilicate glass ) hard glass, 15x150mm, 15ml. pk of 100 1 105 test tube ( borosilicate glass ) hard glass, 18x150mm, 25ml pk of 50 1 106 test tube ( borosilicate glass ) hard glass, 25x100mm, 35ml pk of 50 1 107 test tube ( borosilicate glass ) hard glass, 25x150mm pk of 50 1 108 clinical thermometer ( mercurial ) 1 109 lab thermometer ( 30cm length ) , -10 to 110c, mercury. 1 110 round bottom flusk b.g., 50ml 1 111 flask round bottom, b.g., 100ml 1 112 flask round bottom, b.g., 250ml ( exact item not available, standard item have been quoted ) 1 113 bunsen burner ( brass pipe 150mm & dia.12mm ) superior, with stop cock ( heavy base ) . 1 114 test tube holder ( wooden handle ) , iron chrome plated, superior quality 1 115 plastic funnel 75 mm 1 116 analytical funnel 100 mm ( exact item not available, standard item have been quoted ) 1 117 prepared slide amoeba binary fission 1 118 hydra budding 1 119 educational raxine charts ( size 75x100cm ) ; zoology: arthropoda ( black raxine ) , silkworm life history 1 120 educational raxine charts ( size 75x100cm ) ; biology: plant physiology ( black raxine ) , photosynthesis 1 121 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , water cycle 1 122 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , food chain 1 123 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , food web 1 124 educational raxine charts ( size 75x100cm ) ; zoology: amphibia ( black raxine ) , l.h. frog showing metamorphosis 1 125 educational raxine charts ( size 75x100cm ) ; human anatomy: structures / organs ( black raxine ) , embryo development 1 126 chart laminated size 58 × 90 cm: electric bell ( english only ) 1 junior science lab 1 bell experiment apparatus ( bell in bell jar ) . 1 2 air pump for bell in bell jar ( bell experiment ) . 1 3 cell holder, plastic ( d size cell ) provided w / o cell - two cell 1 4 drawing board ( superior quality soft wood ) , 12x18. 1 5 electric bell model on wooden stand, demonstration type, ( wooden medium size ) 1 6 friction apparatus. 1 7 gold leaf electroscope, wooden frame 1 8 kaleidoscope 1 9 apparattus: light travel in straight line ( set of 3 ) wooden. 1 10 models for demonstration: bio gas plant 1 11 models for demonstration: good & bad conductor ( circuit board ) 1 12 models for demonstration, persistence of vision ( bird in cage ) 1 13 models for demonstration : newton colour disc with rotating wheel on stand 8 acrylic screen printed disc with heavy base ( superior quality ) 1 14 periscope plastic 1 15 reflection of light kit 1 16 reflection of sound apparatus big size 1 17 simple pendulum apparatus stand type ( with retort stand + 1 bob + cork & thread ) 1 18 capillary tube ( set of 3 different dia. ) 6 length. 1 19 models for demonstration: atomic model set 1 20 educational raxine charts ( size 75x100cm ) ; physics: optics ( white raxine ) , images formed by mirror 1 21 seperatory funnel 250ml 1 22 animal cell, model on board 10x15 1 23 plant cell, model on board 10x15 1 24 human body on board 10x15 1 25 human circulatory system, model on board 10x24 1 26 human ear basic model on base 1 27 human eye, eye model on stand 1 28 human excretory system, on board 10x15 1 29 human heart, heart on stand ( 2 parts dissectible ) 1 30 human lungs basic model 1 31 human respiratory system lkbi basic model on board 10x24 1 32 human teeth basic model on board 10x15 1 33 botany specimens ( seed germination in jar ) germination on gram seed 1 34 educational raxine charts ( size 75x100cm ) ; physics: optics ( white raxine ) , images formed by lenses 1 35 educational raxine charts ( size 75x100cm ) ; chemistry: organic ( white raxine ) , refining of petroleum 1 36 educational raxine charts ( size 75x100cm ) ; biology: nutrition ( black raxine ) , balanced diet 1 37 educational raxine charts ( size 75x100cm ) ; biology: nutrition ( black raxine ) , vitamins 1 38 educational raxine charts ( size 75x100cm ) ; botany: fungi ( black raxine ) , rhizopus structure & reproduction. 1 39 bar magnet alnico make, heavy ( parco type ) , 50x15x10mm ( 2 ) . 1 40 cell holder, plastic ( d size cell ) provided w / o cell, two cell ( note: item also quoted above in #166 ) 1 41 compass magnetic ( aluminium ) one side glass one side glass, dia 25mm. 1 42 magnifier ( metal frame ) with magnifier ( bakelite handle ) , 3 1 43 simple cell ( voltic cell ) consists of copper & zinc plate in plastic jar 1 44 stop watch: digital 1 / 100 sec race make 1 45 circuit board simple pattern 1 46 prepared slide for microscope, permanent slides of human r.b.c 1 47 filter paper pkt; dia 12.5cm ( machine made fine quality ) . 1 48 phenophthalein indicator 125ml 1 49 litmus paper blue 100 ls 1 50 litmus paper red 100 ls 1 51 speciment: life history of butterfly 1 52 iron filing 500gm 1 53 copper metal powder - 99.5%, 500 gm 1 54 plain slide, size 75x25mm glass, thickness 1.35 ( pk of 50 ) 1 55 specimen in plastic jar, zoology speciment: star fish 1 56 specimen in plastic jar, botany speciment: red rot of sugarcane 1 57 concave mirror focal length 10 cm dia 50mm 1 58 focal length 15 cm dia 50mm 1 59 focal length 20 cm dia 50mm 1 60 focal length 25 cm dia 50mm 1 61 convex mirror focal length 10 cm dia 50mm 1 62 focal length 15 cm dia 50mm 1 63 focal length 20 cm dia 50mm 1 64 focal length 25 cm dia 50mm 1 65 concave lens focal length 5 cm dia 50mm 1 66 focal length 10 cm dia 2 1 67 focal length 15 cm dia 2 1 68 focal length 20 cm dia 2 1 69 convex lens focal length 5 cm dia 50mm 1 70 focal length 10 cm dia 2 1 71 focal length 15 cm dia 2 1 72 focal length 20 cm dia 2 1 73 lens holder, wooden v shaped 1 74 zinc metal granulated a.r. - 99.9% ( confrms to acs specification ) , 250 gm 1 75 spring balance, tubular acrylic 250gm 1 76 test tube ( borosilicate glass ) , hard glass 10x75mm, 3ml pk of 100 1 77 test tube ( borosilicate glass ) hard glass, 12x75mm, 5ml pk of 100 1 78 test tube ( borosilicate glass ) , hard glass, 12x100mm, 7ml pk of 100 1 79 test tube ( borosilicate glass ) hard glass, 15x125mm, 10ml. pk of 100 1 80 test tube ( borosilicate glass ) hard glass, 15x150mm, 15ml. pk of 100 1 81 test tube ( borosilicate glass ) hard glass, 18x150mm, 25ml pk of 50 1 82 test tube ( borosilicate glass ) hard glass, 25x100mm, 35ml pk of 50 1 83 test tube ( borosilicate glass ) hard glass, 25x150mm pk of 50 1 84 clinical thermometer ( mercurial ) 1 85 lab thermometer ( 30cm length ) , -10 to 110c, mercury. 1 86 round bottom flusk 50 ml 1 87 100 ml 1 88 flask round bottom, b.g., 250ml ( exact item not available, standard item have been quoted ) 1 89 bunsen burner ( brass pipe 150mm & dia.12mm ) superior, with stop cock ( heavy base ) . 1 90 test tube holder ( wooden handle ) , iron chrome plated, superior quality 1 91 analytical funnel 75 mm 1 92 analytical funnel 100 mm ( exact item not available, standard item have been quoted ) 1 93 prepared slide for microscope, binary fission amoeba 1 94 hydra budding 1 95 educational raxine charts ( size 75x100cm ) ; zoology: arthropoda ( black raxine ) , silkworm life history 1 96 educational raxine charts ( size 75x100cm ) ; biology: plant physiology ( black raxine ) , photosynthesis 1 97 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , water cycle 1 98 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , food chain 1 99 lkcbi088 educational raxine charts ( size 75x100cm ) ; biology: ecology ( black raxine ) , food web 1 100 educational raxine charts ( size 75x100cm ) ; zoology: amphibia ( black raxine ) , l.h. frog showing metamorphosis 1 101 educational raxine charts ( size 75x100cm ) ; human anatomy: structures / organs ( black raxine ) , embryo development 1 102 chart laminated size 58 × 90 cm: electric bell ( english only ) 1