530 



CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



Page 



Aprons 1. 



Aprons, Asbestos 1. 



Aquaria IB, 1 



Aquarium Jars 1_ 



Arc Lamp for Microscopes... 341 



Areometers 311-311 



Argand Burners 114, 111 



Armored Thermometers 492 



Arnold Steam Sterilizers 469 



Arrhenlus Conductivity Cells 396 



Arrows, Surveyors' 48' 



Arsenic Apparatus 16 1' 



Arsenic Plates l( 



Arsenic Tubes r 



Artery Forceps 18! 



Artery Scissors 192 



Asbestos Aprons 1< 



Asbestos Board r< 



Asbestos Cement i', 



Asbestos Center Gauzes 52! 



Asbestos Cloth 17 



Asbestos Cord \' t 



Asbestos Drying Oven 388 



Asbestos Gloves 291 



Asbestos Mats 11 



Asbestos Pads 



Asbestos Paper 



Asbestos Slate 11 



Asbestos Twine 17 



Asbestos Wire Gauze 523 



Asbestos Wood 17 



Ashing Dishes 129, 187, 188 



Asphalt Crucible 20. 173 



Asphalt and Tar Testing Ap- 

 paratus 18-25 



Asphalt Hydrometers 23 



Asphalt Thermometers.18, 20, 492 



Aspirating Syringe 485 



Aspirators 242. 243. 445 



Aspirator Bottles 98, 99. 446 



Assay Balances 37 38 



Assay Button Brush 108 



Assay Button Weights 67 



Assay Crucibles 170, 171, 173 



Assay Cupels 182 



Assay Flasks 246, 248 



Assay Furnaces 264-269 



Assay Furnaces for Gas 



264. 265, 268. 269 



Assay Furnaces for Gasoline 



. 264. 268. 269 



Assay Mills 175-181 



Assay Pocket Scales 38 



Assay Roasting Dishes 188 



Assay Supplies 182 



Assay Ton Weights 67 



Assayer's Mills 175. 181 



Atom Models 366 



Atomic Weight Charts 144 



Atomizer Bulbs 88 428 



Attaching Plug for Electrical 



Connections 227. 228 



Attachments for Burettes.. . 113 



Attachments for Burners 123 



Attachment, Test Tube Fill- 

 in* 488 



Atwater Dessicator 184 



Augers, Soil 452. 463 



Auger, Soil Tube 460 



Auger Bits 25 



Autoclaves 26-29 



Autoclaves for. Chemical Di- 

 gestions (Digesters) 27, 28 



Autoclaves. Steam Pressure 



Sterilizers 26-29 



"Autogenor" Gas Generator.. 288 

 Automatic Air Compressor 



and Exhaust Pump 90 



Automatic Alarm Thermome- 



. ters 493 



Automatic Burettes 112 



Automatic Burners. Barthel's 120 



Automatic Depth Gage 304 



Automatic Laboratory Micro- 

 tome 352 



Automatic Oil Measuring De- 

 vice 302 



Automatic Pipettes. . .87. 356. 404 

 Automatic Precision Micro- 

 tome 358 



Automatic Stills 195-198 



Auxanometer 407 



Avoirdupois Weights 58, 69 



Ayrton-Mather Galvanometer 



. Shunt 206 



Azotometers 371, 372 



Hancock Bottles 357, 35? 



Babcock Bottle Rack 362 



Page 



Babcock Milk Testers 359-361 



Babo's Absorption Tube 



Bacilli Mills 179 



Bacteria Collecting Appara- 

 tus 10 



Bacteria Counting Appara- 

 tus 168, 169 



Bacteria Filters 236, 237 



Bacteria Grinding Apparatus 179 

 Bacteriolog leal Culture 



Flasks 182 



Bacteriolog ical Culture 



Jars 11 



Bacteriological Fermentation 



Tubes 234. 235 



Bacteriological Filter Apa- 



ratus 235-238 



Bacteriological Incubators... 



o-i o _i>9 r 



Bacteriological Syringes. . 484-48f 

 Bacteriologists' Soil Sampler 454 



Bagasse Cutter 179 



Bags, Filter 237 



Bags, Gas 282 



Bags, Ice 317 



Bags, Paper 391 



Bags, Rubber 279, 282 



Bailey Crucible Holder 174 



Bailey - Walker Extraction 



Apparatus 230 



Bakers' Scale 54. 252 



Baking Cylinders 252 



Baking Ovens, Electric. .381, 382 

 Baking Oven Thermometers. 



255, 493 



Baking Pans 253 



Balance, Aluminum, Student. 40 



Balances, Analytical 30-36 



Balances, Assay 37, 38 



Balances, Automatic 46 



Balances. Cement 46 



Balances, Cenco Analytical.. 36 

 Balance, Centrifuge Tube.... 143 



Balances, Chainomatlc 30 



Balances, Counter 47 



Balances, Cream Testing.... 



41, 47. 357 



Balances, Decimal Milk 47 



Balance, Demonstration .... 49 



Balances, Dispensing 47. 54 



Balances. Family Scales 48 



Balance, Flour Testing. .. .54, 252 



Balance, Gas Density 286 



Balances, Grain Testing. .. .41, 64 



Balances, Hand 48 



Balance, Harvard Trip 54 



Balance, Hydrostatic 51 



Balances, Laboratory 



40, 48, 49, 62, 53 



Balance, Large Capacity and 



High Sensitiveness 33 



Balance. Lecture Table 49 



Balance, Magnallum 40, 49 



Balances, Milk ...41, 47. 357 



Balances, Moisture 42, 49 



Balances, Platform 50 



Balances, Prescription 42. 51 



Balances, Pulp 39. 40 



Balances, Seed Testing 41. 42 



Balances, Soil 43. 61 



Balances, Solution. . .42, 43, 51, 54 

 Balances, Specific Gravity. . . . 



.44, 51, 52 



Balances, Spring 52, 53 



Balance, Stoddard 63 



Balances, Torsion 41-46 



Balance, Trip 54 



Balance, Triple Beam 65 



Balance Brushes 109 



Balance Covers 61 



Balance Desiccator 61 



Balance Levels 61 



Balance Magnifier 61 



Balance Pans 61 



Balance Reading Glass 61 



Balance Rests 61 



Balance Riders 56 



Balance Supports of Glass.. 61 



Balance Wall Bracket 61 



3alance Watch Glasses 61 



Balance Weighing Scoops.. 61. 62 

 Balance Weighing Tube Sup- 

 port 62 



Balance Weights 55-60 



Balls, Porcelain for Ball Mills 180 

 Balls, Steel, for Hardness 



Tester 304 



Ball Mills 179.180 



Ball Mill Jars 179, 180 



Ball Tester 303. 304 



Balling Hydrometers ....313, 315 



Balloons 63 



Balloons, Collodion 63 



Balloons for Filtering-, Pukal 237 



Balloons, Gas 63 



Balloons, Glass 63, 245 



Balloons, Rubber 63 



Balloons, Specific Gravity.... 63 



Balloon Flasks 245 



Balsam Bottles 99 



Bands. Rubber 428 



Band Tubing, Rubber 431 



Bars. Standard, for Hardness 



Tester 304 



Bar Form Solder 460 



Barker Carbon Dioxide Appa- 

 ratus 129 



Barkometers (Hydrometers). 312 

 Barnes Dissecting Micro- 

 scopes 341 



Barnes Dropping Bottle 99 



Barographs 65 



Barometers 63-65 



Barometer Tubes 65 



Barometer Tubing 297 



Barrett Mfg. Co. Apparatus 

 for Tar, Oils and Pitches. .18-25 



Barthel's Alcohol Stoves 120 



Barthel's Automatic Burners 120 

 Basket Form Slide Holder... 350 



Baskets for Test Tubes 4R1 



Bates Sugar Flask 250 



Baths, Air 250, 383-388 



Baths, Constant Temperature 



383-385, 393. 394 



Baths, Hot Air 2nO. 383-388 



Baths, Paraffine Embedding. 



392. 393 



Baths. Sand 433. 434 



Baths, Vaccine Culture. . .517-519 



Baths, Wassermann 517-519 



Baths, Water 513-520 



Batteries, All Kinds 66-74 



Batteries, Dry 66, 67 



Batteries, Edison Primary... 67 



Batteries, Galvanic '...66-74 



Batteries, Plunge 69 



Batteries, Primary 66-70 



Battery, Standard Cell 70 



Batteries. Storage 70-73 



Battery Binding Posts 75 



Battery Charger 313 



Battery Connections 76 



Battery Directions 74 



Battery Fluid, Cenco Sulpho- 



Chromic 74 



Battery Hydrometers 313 



Battery Jars. . .66-70, 72, 326. 327 



Battery Motors 214 



Battery Porous Cups 66. 68 



Battery Rheostats. . .214, 224, 225 



Battery Screws 75 



Battery Syringe 313 



Battery Zincs 66-68. 61 



Baumg Hydrometers 311-315 



Beads, Glass 295 



Beakers 77. 78, 475 



Beakers, Aluminum 78 



Beakers, Copper 78 475 



Beaker, Digestion 475 



Beakers, Fused Silica 78 



Beakers, Glass 77, 78 



Beakers, Griffin's 77 



Beaker, Heavy Tumbler 



Shape 78 



Beakers. Nickel Plated Cop- 

 per 78, 475 



Beakers, Phillips 246 



Beakers, Porcelain 78 



Beakers, Pyrex 77 



Beakers, Sugar 78 



Beakers, Transparent Quartz 78 



Beaker Brushes 108 



Beaker Clamps 146 



Beaker Cover Glasses. .. .407, 512 



Beaker Flasks 246 



Beekmann Molecular Weight 



Determination Apparatus.. 400 

 Beckmann Thermometers . . . 493 

 Beehive for Pneumatic 



Troughs 506 



Bees' Wax 521 



Beer Hydrometer 313 



Beer Still 199, 204 



Beet Shredding Mills 181 



Bell Glasses 79, 80 



Bell Jars 79, 80 



Bell Glass Dialyzer 186 



Bellows 88 



Bells, Electric 80 



