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



551 



Page 



Tubes, Capillary Electrome- 

 ter 398. 399 



Tubes, Capillarity 457. 458 



Tubes, Carbon Filter 257 



Tubes, Carius Bomb 297 



Tubes, Casein 138. 141. 358 



Tubes, Centrifuge 



134, 135, 138, 140, 141 



Tubes, Chloride of Calcium.. 124 



Tube, Chlorine 145 



Tube. Chlorine Absorption... 145 



Tubes. Color 153. 154 



Tubes, Combustion 163. 297 



Tubes. Combustion. Platinum '408 



Tubes, Comparison 153 



Tubes, Condenser 165 



Tubes, Connecting, for Gas.. 506 

 Tubes. Connecting, for Mar- 

 shall's Urea in Blood Appa- 

 ratus 87 



Tubes, Cream 364. 488 



Tubes, Culture ..487. 488 



Tube, Dissolving 195 



Tubes; Distilling 199. 200 



Tubes, Drying 124. 204 



Tubes, Eggertz 153 



Tubes. Extraction 230-233 



Tubes, Fat Extraction. Roeh- 



rig 233 



Tubes, Fermentation ....234, 235 



Tubes. Filter 257 



Tubes, Folin for Marshall's 



Urea In Blood Apparatus. . 87 

 Tubes, Fractionating^. .. .199, 200 



Tube. Freas Dissolving 195 



Tubes, Freezing, for Molecu- 

 lar Weight Determination 



Apparatus 400 



Tubes, Funnel 257. 259 



Tubes, Gas Collecting 286 



Tube, Gas Filter 287 



Tubes. Glass, Annealed Ends 



296. 297 



Tubes, Glass, for Blowpiping 94 

 Tubes. Goetz Phosphorus. 135, 141 



Tubes, Gooch Filter 257 



Tubes for Haematokrlt 134 



Tubes. Hard Glass 94, 427. 488 



Tube, Hortvet's 476 



Tubes, Ignition 427, 488 



Tubes. Liebig Drying 204 



Tubes for Mailing 254. 335 



Tubes, Manometer 273 



Tubes. Marchand's Calcium 



Chloride 124 



Tubes, Melting Point, Thiele's 336 



Tubes, Migration 399 



Tubes, Milk for Centrifuge... 



135. 138. 141 



Tubes. Nessler 153 



Tubes. Oil 140. 374 



Tube. Ozone. Siemen's 390 



Tubes. Palladium for Gas 



Analysis 290 



Tubes, Pelligot's Calcium 



Chloride 124 



Tubes, Percentage, for Haem- 



atokrit 134 



Tubes. Percolation of Air.... 459 

 Tubes, Phosphorus. Blair's.. 427 



Tube, Platinum 408 



Tubes. Porcelain 163 



Tubes. Pyrometer 420. 421 



Tubes, Quartz 163 



Tubes. Reduction 427 



Tubes, Roehrig Extraction.. 233 



Tubes. Safety 259 



Tubes, Sample 103. 105. 286 



Tubes. Schwartz Calcium 



Chloride 124 



Tubes, Sealing 297 



Tubes. Sediment for Centri- 

 fuges 134. 135, 140. 141. 374 



Tubes. Silica 17. 163 



Tubes. Siphon, for Extraction 



Work 230-232 



Tubes, Soil 457-459 



Tubes. Soxhlet 231 



Tubes, Specific Gravity . .104. 105 

 Tubes. Specimen. 103, 105. 487. 488 

 Tubes, Sputum for Centrifuge 134 



Tubes, Sugar 475 



Tubes, Sulphur 476 



Tubes, Syrup 475 



Tubes. T 506 



Tubes, Test 487. 488 



Tubes, Thermometer ....492. 493 



Tubes, Thistle 259 



Tubes, Transference, Wash- 

 burn 403 



Page 



Tubes, U 124. 506 



Tubes, Urine 134, 135 



Tubes, Vaccine 138. 141 



Tubes. Vacuum BIO 



Tubes, Viscosity 403 



Tube, Volume Weight 459 



Tubes, Water Analysis 



153, 164. 620 



Tubes. Water Holding Capac- 

 ity 459 



Tubes, Weighing 106. 107 



Tubes. Y 506 



Tube Balance, Centrifuge... 14! 



Tube Brushes 108-110. 459 



Tube Brush for Burettes.... 108 

 Tube Brushes (Test Tube) . . 109 



Tube Clamps 146-148 



Tube Furnace. Carius 2 



Tube Furnace, DeKhotinsky.. 2 



Tube Furnace. Hoskins 260 



Tube Furnaces. Multiple Unit 21 



Tube Gages 125. 272. 273 



Tube Support Stands 



154, 159. 480. 481, 517, 519 



Tuberculin Syringes, Luer.. 



484. 486 



Tubing, Barometer 65. 297 



Tubing. Brass', for Burner... 117 



Tubing. Burner 117. 430, 431 



Tubing. Combustion 163. 297 



Tubing. Fiber 526 



Tubing. Flexible Metallic.117. 431 



Tubing, Glass 296. 2! 



Tubing, Lead 626 



Tubing. Metallic. All Kinds. 



......... . 524-52 



Tubing. Rubber 430. 431 



Tubing, Silica 163. 443 



Tubing. Thermometer 2 



Tubing. Transparent Quartz. 163 



Tubing Connections 506 



Tubing Gages 272. 2 



Tubing Gage. Micrometer . . . 126 



Tubing Stretcher 431 



Tuerk Counting Chamber.... 



Tumblers. Glass 329. 458. S07 



Tungar Rectifiers 2 



Turmeric Paner S 



Tungsten Filament I>amps. .. 3: 



Turbidimeters 1R9. 507 



Turbidimetpr. Sulphur ...12fi. 507 



Turbidity Scale 169. 507 



Turbine. High Speed 470 



Tiirk Haemacvtometer 84 



Turkev Red Cloth.... 1 



Turned Wood Boxes 1 



Turn-Table 350 



Tutweiler Modification of 



Hemnel Gas Burette ? 



Twaddle Hydrometers S 



Tweezers - , - 256 



Twine 17. 165. 507 



Twist Drills 204 



Twisted F1<T Co'd 165 



Two-Wav Stop-Cocks ...471. 472 

 Tycos OH Tables 378 



I' Tubes 124. R06 



T-bhelnhde Viscosimeter 379 



T'. G. T. Gas Apparatus 2 



U. G. I. Gas Ptoette 294 



T*. G. I. Heat Value Computer 2R4 

 Ukena's Color Comparator. .. 1 



Umpire Ore Samplers 433 



Underwriters' laboratories 



Extraction Apparatus 232 



U. S. Bureau of Mines Flash 



Point Testers 376 



U. S. Bureau of Mines Gas 



Analvsls Apparatus ...276. 277 

 t T . S. Bureau of Mines Gas 



Collecting Tubes 286 



V. .S. Bureau of Mines Gaso- 

 line Distillation Apparatus. 374 

 T" S. Bureau of Mines Oil 



Testers 374. 376 



V. S. Customs House Alcohol 



Hvdrometer 312 



P. P. Department of Agricul- 

 ture Hvdrometers 313 



U. S. Geological Survey Colo- 

 rimeter 159 



U. S- Geogolical Survey Tur- 



btdiTtieter 159. 507 



t" S. P. Green Oil Soap 444 



t". S. Signal Service Barome- 

 ter 64 



U. S. Steel Gas Apparatus... 280 



Page 

 Universal Clamps and Clamp 



Holders 148 



Jnlversal Compound Rotator 2 

 Jnlversal Hose Connectors.. 308 



Universal Hydrometer 3 



Jniversal Meteorological Set 338 



Universal Motor 214 



Universal Sampler. Braun's.. 433 

 Jnlversal Shunts for Galvan- 

 ometer 206 



Universal Viscosimeter, Sey- 



bolt 380 



Universal Wax 521 



Ure Eudiometers 23<l 



Jrea Apparatus, Folln 509 



Urea Apparatus, Van Slyke- 



Cullen 509 



Urea in Blood Apparatus. Mar- 

 shall 87 



Urea, Nitrogen and Ammonia 

 in Urine, Folin Apparatus 



for 508. .109 



Ureometer, Doremus 509 



Ureometer, "Squibb's 509 



Uricometer. Ruhemann 509 



Urinary Apparatus 



134, 135, 156, 487, 508-510 



Urine Analysis Apparatus . . . 



156, 508-510 



Urine Centrifuge Tubes.. 134. 135 

 Urine Glasses for Sediment. . 487 

 Urlnometers 510 



Vaccine Bottles 103 



Vaccine Bottle Stoppers 103 



Vaccine Culture Baths. . .517-519 

 Vaccine Tubes. Hopkins. .138. 141 

 Vaccine Tube Support. . . .481. 519 



Vacuum Air Pumps 



89-92. 242, 243. 414-417. 424 



Vacuum Blood Collecting 



Tubes 83. 84 



Vacuum Desiccators 184 



Vacuum Distilling Apparatus 4: 



Vacuum Drying Ovens 388 



Vacuum Flasks. De-war 6 



Vacuum Gages 2 



Vacuum Gage. McLeod's 273 



Vacuum Pumps 



89-92. 242. 243. 414-417. 424 



Vacuum Pumps and Blowers. 89-92 

 Vacuum Specific Gravity Bot- 

 tle 104 



Vacuum Wax 416 



Valence Models. Nead's 366 



Valves for Gas Cylinders. 274. 276 

 Vanler Combined Potash Bulb 



and Drying Tube 9. 161 



Vanier Combustion Train and 



Accessories 161 



Vanier Drying Tubes 161. 204 



Vanier Sulphuric Acid Bulb.. 



161, 204 



Vanier Zinc Tube 161. 204 



Van Slyke Apparatus for COj 



In Blood Plasma 83 



Van Slyke Apparatus for the 

 Gasometric Determination 

 of Aliphatic Amlno Groups 372 

 Van Slyke-Cullen Urea Appa- 

 ratus 509 



Vapor Density Apparatus. 



Dumas 510 



Vapor Density Apparatus, 



Victor-Meyer 511 



Vapor Density Apparatus. 



Welser 511 



Variable Speed Motors 



126. 128. 373 



Vapormeter 204 



Varnish Hydrometers 315 



Varrentrap's Nitrogen Bulbs. 371 



Vasculum. Botanical 95 



Vaughan Animal Holder 12 



Ventilation Tester 10 



Vernier Calipers 126 



Vessels, Acid 186 



Veterinary Clinical Ther- 

 mometer 494 



Vials 99. 103 



Vials. Homepathlc 99 



Vials, Screw Cap 103 



Vlcat's Indenting Apparatus. 133 

 Victor Centrifuges and Ac- 

 cessories 135-138 



Victor-Meyer's Vapor Density 



Apparatus 511 



Victor-Meyer's Water Bath.. 517 

 Vinegar Hydrometers 315 



