532 



CENTRAL, SCIENTIFIC CO., CHICAGO, U. 8. A. 



Page 



Braun Electrolytic Outfits... 229 

 Braun Flotation Machine. . . . 251 

 Braun Muffle Furnaces. .268. 269 



Braun Oil Feeder 251 



Braun Pulverizers 181 



Braun Sample Grinders 176 



Braun Samplers 433 



Braun Vulcan Non-Blast 



Burners 119. 269 



Brazing Blowpipe 93 



Breast Drills 203 



Breeding Cages, Insect 326 



Bridges, Conductivity 



222, 223, 403, 455 



Bridge, Slide Wire 403 



Bridges, Wheatstone 



222, 223, 403. 455 



Bridge Form Clamp Support 151 

 Briggs' Filtering Apparatus. 



236, 237 



Briggs-McLane Centrifuge... 447 



Brinell Ball Testers 303, 304 



Brinell Hardness Testers. 303. 304 



Brinell Machines 303, 304 



Brinell Magnifiers 304 



Brinell Meter 304 



Brinell Microscope 304 



Briquette Mold, Asphalt..... 23 

 Briquette Molds for Cement. . 131 



Briquette Mold Brushes 131 



Briquette Rammer for Ce- 

 ment 133 



Bristles, Shoemakers' 189 



Bristol Board 129 



Brix Sugar Hydrometers.... 316 

 Brodie-Russell-Boggs Coagu- 



lometer 83 



Bromwell Fusel Oil Appara- 

 tus 271 



Brown-Duvel Moisture Appa- 

 ratus 301. 302 



Brown Evaporator 22 



Brown Oil Still 378 



Brown's Pyrometers 417-419 



Brown-Sharpe Calipers. . .125. 391 



Brushes, All Kinds 



108, 109, 131, 453, 459 



Brushes for Briquette Molds. 131 

 Brushes, Sampling Tube. 109, 453 



B. S. Tubes for Oil 140. 374 



Buerker's Counting Chamber 84 



Buck's Iron Mortar 367 



Bucket for Waste 390 



Bucking Boards 175 



Bucking Board Brushes 103 



Buechner's Funnels 268 



Buffing Wheels. Muslin 412 



Bulbs, Absorption 



8, 9, 160, 161, 371, 413, 414 



Bulbs for Constant Blast.... 88 

 Bulbs for Connecting, Kjel- 



dahl's 371 



Bulbs, Drying. . .124, 413, 414, 424 

 Bulbs for Gas Apparatus.... 110 



Bulbs, Glass 8. 



9, 63, 110, 160, 161, 371, 413, 414 

 Bulbs, Leveling for Gas Bu- 

 rettes 110 



Bulbs, Nitrogen 371 



Bulbs, Pipette 428 



Bulbs, Potash 413, 414 



Bulbs, Rubber 279. 428 



Bulbs, Vapor Density 63, 510 



Bulbs for Weighing Gases... 63 

 Bulb Connecting Tube for 

 Marshall's Urea In Blood 



Apparatus 87 



Bulb Expander 431 



Bulb Tubes 199, 200, 427 



Bulb Tube, KJeldahl's 371 



Bulls-Eye Condenser 345 



Bunsen Alkalimeter 129 



Bunsen Barometer 65 



Bunsen Battery 66 



Bunsen Blast Lamp 119 



Bunsen Burners.. 113-116, 118, 119 

 Bunsen Burners for Gasoline 



Gas 118 



Bunsen Carbon Dioxide Ap- 

 paratus 129 



Bunsen Clamps 146. 148 



Bunsen Condenser Clamps... 146 



Bunsen Eudiometers 230 



Bunsen-Fresenlus Chlorine 



Absorption Apparatus 145 



Bunsen Funnels 257 



Bunsen Oas Absorption Ap- 

 paratus 145 



Bunsen Measuring Tubes.... 289 

 Bunsen Photometers 290. 291 



Page 



Bunsen Screw Clamp 148 



Bunte Gas Burettes 282 



Bureau of Mines Flash Point 



Testers 376 



Bureau of Mines Gas Analy- 

 sis Apparatus 276. 277 



Bureau of Mines Gasoline 

 Distillation Apparatus .... 374 



Bureau of Soils Sieves 441 



Bureau of Standards Sieves.. 441 



isurtttes, All Kinds 



111-113, 282, 283, 356, 363 



Bui cues, Acid 356 



Burettes. Automatic. 112, 356, 3tiJ 



Burettes, Caliorating 112 



Burettes, certified 112, 113 



Burettes, Dispensing 112 



curettes. Gas Analysis. . .282, 283 



.burettes. Precision 112, 113 



Burette, Weighing 112 



Burette Accessories 113 



tiurettu Attachments 113 



Burette Brush 108 



Burette Caps 113 



Burette Clamps 146 



iiurette Funnel 113 



Burette Pinchcocks i47 



Burette Keader 113 



tiurette Stop-Cocks 472 



curette Supports 478 



Burette Tips 113 



Burrell's Gas Apparatus 278 



Burker-Neubauer Haemacy- 



tometer 84 



Burners, All Kinds 



113-122, 264, 269 



Burner, Acetylene 113 



Burner, Acme Safety 118 



Burners, Adjustable 118. 119 



Burners, Alcohol 120, 121 



Burners, Argand 114, 116 



Burners, Barthel 120 



Burners, Blast. . .119-122, 264, 269 



Burners, Boyce 118 



Burners, Braun Vulcan Non- 

 Blast 119. 269 



Burners, Bunsen. .113-116, 118, 119 

 Burner, Carpenter's Metro- 

 politan Argand 292 



Burner, Cary's Gasoline Blast 



122. 269 



Burners, Central Draft 114 



Burner, Chaddock's 114 



Burners, Coal Gas 113-120 



Burner, Combustion Tube.... 116 

 Burner, Concentric (Radial) . 116 



Burner, Dangler 122 



Burner, Detroit 118 



Burner, Evaporating 116 



Burners, Fletcher's 116, 120 



Burner, Fletcher's Blast 120 



Burner, Gas Flame Testing. . 376 

 Burners for Furnaces. .. .264, 269 



Burners, Gas Stoves 117 



Burners for Gaseous Fuel. 113-120 



Burners for Gasoline 



121, 122, 264, 269 



Burners, Gauze Top 116, 117 



Burners, Glass Blowers' 117 



Burner, Greenman 117 



Burners, High Temperature. 119 

 Burners, Hot Plates for Gas. 



117, 310 



Burners, Hydro-Carbon 



122, 264, 269 



Burners, Illuminating 117 



Burners, Kerosene 122, 264 



Burners, Koch Safety 114, 115 



Burners for Liquid Fuels.... 



120-122, 264, 269 



Burner, Low Temperature.. 116 



Burners, Meker 115, 120 



Burners, Micro 114 



Burners, Multiple Tube 



...115, 116, 119 



Burners, Oil 122, 264 



Burner, Pilot Light 113 



Burner, Porcelain 114 



Burner, Ring Form 118 



Burner, Ring, for Tar Testing 20 



Burner, Scimatco 119 



Burner, Soldering Iron 118 



Burner, Solid Flame 116 



Burner, Spectrum 366 



Burner, Teclu 118 



Burner, Tlrrill's 118 



Burner, Wiesnegg Blast 120 



Burner Attachments 123 



Burner Blowpipe Tubes 123 



Burner Chimneys 114, 115, 123 



Page 



Burner Crown Top 123 



Burner Fork 123 



Burner Gauze Top 123 



Burner Guard 123 



Burner Star 123 



Burner Supports 123 



Burner Tips 123 



Burner Tripod 123 



Burner Tubing 117, 430. 431 



Burner Wicks 120 



Burner Wing Tops 123 



Burning Spoons 184 



Burrell's Gas Apparatus 278 



Butter Analysis Apparatus.. 



356, 357, 361, 363. 364 



Butter Fat Oil Tubes. .. .364, 488 



Buttermilk Test Bottles 357 



Button Balances 37. 38 



Button Brush 93. 108 



Button Forceps 94. 256 



Button's Nippers or Pliers... 412 

 Button Weights 57 



Cabinets, Desiccating 185 



Cabinet, First Aid 243 



Cabinets for Micro Slides 349 



Cabinets, Proofing 254 



Cabinets, Tool 503, 504 



Cadmium Normal Elements. 397 



Cages for Animals 12, 13 



Cages for Insect Breeding... 326 

 Calcium Chloride Cylinders.. 



124, 160 



Calcium Chloride Drying 



Tubes 124, 160. 161 



Calcium Chloride Holder for 



Balances 61 



Calcium Chloride Jars and 



Tubes 124, 160. 161 



Calcium Chloride Salometer 



(Hydrometer) 313 



Calcium Chloride Tubes 



124, 160. 161 



Calculating Chart (Nomon) . 373 

 Calculator (Chemists' Slide 



Rule) 444 



Calculi's Specimen Jars 328 



Caldwell's Crucible 172, 174 



Calibrallng Apparatus... .112, 404 



Calibrating Buretles 112 



Calibraling Pipettes, Ost- 



wald's 404 



Calipers, All Kinds 125 



Calipers, Micrometer 125 



Calipers, Vernier 125 



Caliper Rule 432 



Calomel Electrodes 397 



Calorimeters and Accessories 



126-128, 283-285 



Calorimeter, Mahler 127 



Calorimeter, Parr's Adiabatic 



Oxygen Bomb 128 



Calorimeter, Parr's Oxygen 



Bomb 127 



Calorimeter, Parr's Standard 126 



Calorimeter Press 128 



Calorimeter Thermometers... 



126, 127, 284, 494 



Calorized Steel Pyrometer 



Tubes 421 



Camel's Hair Brushes 109 



Camera for Color Comparator 



Tubes 154 



Camera Lucida, Abbe 343-344 



Camp's Absorption Tube.... 8 

 Camp's Color Comparison 



Tubes 153 



Camp's Shaking Apparatus.. 438 



Campbell-Hurley Colorimeter 154 



Canada Balsam Botlles 99 



Candles, Photometric 292 



Candles, Standard 292 



Candles, Turbidimeter 507 



Candle Balance 292 



Candle Power Determination 



Apparatus 290, 291 



Cane Sugar Mills 179. 181 



Cans, Aluminum 107. 187 



Cans, Soil Sample 107, 454 



Capillarity Tubes for Soil.457. 458 



Capillarity Tube Supporl 458 



Capillary Eleclrode Tubes... 



398. 399 



Capillary Electrometers. .398, 399 



Capillary Glass Tubing 297 



Capillary Pipette 404 



Capillary Stop-Cocks 471, 472 



Capillary Tubing 297 



