538 



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



Page 



Folded Filters, Green's 238 



Folding- Rules 432 



Folin's Ammonia Absorption 



Apparatus 11, 508 



Folin's New Methods, Appa- 

 ratus for 508. 509 



Folin's Nitrogen Determina- 

 tion Apparatus 508, 509 



Folin's Tubes 11, 87, 508 



Folin's Tube for Marshall's 



Urea in Blood Apparatus. . 87 

 Folin's Urea Apparatus. .508. 509 



Foot Blowers 88 



Foot Flask 250 



Forceps 62, 94, 189, 256 



Forceps, Artery 189 



Forceps, Blowpiping 94, 256 



Forceps, Bone Cutting- 189 



Forceps, Bottle 256 



Forceps, Cover Glass 256 



Forceps, Dissecting 189 



Forceps, Dressing 189 



Forceps, Pinning 256 



Forceps, Platinum Tipped... 256 



Forceps, Slide 256 



Foster Flash and Fire Tester 375 



Foster Oil Tester 375 



Fork for Burners 123 



Fortin Barometers 64. 65 



Four-Line Wantage Rod.... 380 



Four-Way Stop-Cocks 287. 471 



Fraction Weights 56-69 



Fractional Distillation Appa- 

 ratus. 199, 200, 246, 247, 374. 378 

 Fractional Distillation Flasks 



246. 247 



Fractional Distillation Tubes 



199. 200 



Fractionating Apparatus .... 



199, 200, 374, 378 



Franklin's Pulse or Palm 



Glass 414 



Freas Dissolving Tube 195 



Freas Gas Generator 287 



Fredericia Apparatus for CO 2 



in Alveolar Air 82 



Freezer, Tagliabue Oil 377 



Freezing Attachments for Mi- 

 crotomes 354 



Freezing- Point Apparatus... 400 

 Freezing Tubes for Molecular 

 Weight Determination Ap- 

 paratus 400 



Fresenius Arsenic Apparatus 16 



Fresenius Burettes Ill 



Fresenius Burette Stop-Cocks 472 



Fresenius Nitrogen Bulb 371 



Freudenreich Culture Flask. 182 



Frost Counting Plate 169 



Frost Gasometer Chart 236 



Fruit Jars, Mason 328 



Fruit Jars, Sure Seal 328 



Fuchs - Rosenthal Counting 



Apparatus 84 



Fuel Calorimeters 126-128 



Fuller Battery 68 



Fume Absorption Tube, Folin 508 

 Fumeless Digestion Appara- 

 tus 370 



Funnels 113, 257-259. 520 



Funnels, Alundum 237 



Funnels, Agateware 257 



Funnels, Bunsen 257 



Funnels, for Burettes 113 



Funnels, Copper 258 



Funnels, Creosote 257. 259 



Funnels. Double Walled 258 



Funnels, Enamelware 257 



Funnels, Hard Rubber 258 



Funnels, Hot Water 258 



Funnels, Lactic Acid 259 



Funnels, Porcelain 258 



Funnels, Ribbed 257 



Funnels, Rubber 258 



Funnels, Sedgewick-Rafter. . 520 



Funnels, Separatory 



20, 258.259. 271 



Funnels, Separatory for Creo- 

 sote 20. 259 



Funnel, Separatory for Fusel 



Oil 271 



Funnel, Separatory for Wa- 

 ter In Tar 20 



Funnels, Shaking 259 



Funnel, Steam 258 



Funnels, Stemless 257 



Funnel Attachment for Fill- 

 Ing Test Tubes 488 



Funnel Brushes 109 



Funnel Flasks for Filtering-.. 247 

 Funnel Plates, Porcelain 238 



Page 



Funnel Supports 478, 479 



Funnel Tubes 259 



Furnaces. All Kinds 260-271 



Furnaces, Combustion, Fletch- 

 er 262 



Furnaces, Combustion, Gla- 



ser 262 



Furnaces, Combustion, Hos- 



kins 260 



Furnaces, Combustion, Mul- 

 tiple Unit Electric 261 



Furnaces, Crucible, Braun... 264 

 Furnaces, Crucible, Case 



Melting ; 264 



Furnaces, Crucible, Hoskins. 263 



Furnaces, Electric 



..260, 261, 263, 266, 267, 270, 271 

 Furnaces, Electric, High- 

 Temp 271 



Furnaces for Elementary Or- 

 ganic Analysis 261 



Furnace, Explosion, Carius.. 270 

 Furnace, Explosion, DeKho- 



tinsky 270 



Furnaces, Gas 



..116, 262, 264, 265, 268, 269, 270 



Furnaces, Gasoline 



264, 265, 268, 269 



Furnaces, High Temperature 271 



Furnaces, Kerosene 266 



Furnaces, Muffle 266-269 



Furnaces, Muffle, Cary 269 



Furnaces, Muffle, Fletcher... 265 

 Furnaces, Muffle, Hoskins... 



263, 266 



Furnaces, Muffle, .Multiple 



Unit Electric 267 



Furnace, Muffle, Wiesnegg. .. 269 

 Furnace, Tube or Bomb, Ca- 

 rius 270 



Furnace, Tube or Bomb, De 



Khotinsky 270 



Furnace Rheostats. . .260, 263, 266 

 Fusel Oil Apparatus, Brom- 



well 271 



Fuses for Drying Ovens.. 384, 385 



Fuse Plugs 227 



Fuse Plug Cut-Out 227 



Fuse Wire 522 



Fused Rock Crystal Appara- 

 tus 78, 



162, 163, 173. 187, 249, 428. 488 



Fused Silica Beakers 78 



Fused Silica Boats 162 



Fused Silica Capsules 162 



Fused Silica Casseroles 130 



Fused Silica Combustion 



Tubes 163 



Fused Silica Crucibles 174 



Fused Silica Dishes 186. 188 



Fused Silica Flasks 246-248 



Fused Silica Muffles 367 



Fused Silica Rods 443 



Fused Silica Triangles 505 



Fused Silica Tubing 163. 443 



Fusion Temperature Furnace 271 



Gages, All Kinds 



63-65, 87, 168, 204, 



272-275, 285, 304, 391, 392, 449 



Gage, Automatic Depth 304 



Gage, Cork 168 



Gage, Cover Glass 391 



Gage, Differential 272 



Gages, Draft, U-Tube 272 



Gage, Drill 204 



Gage, Evaporating 449 



Gage, Glass Tubing 272 



Gage, Marking 272 



Gages, Paper Testing. .. .391, 392 



Gage. Pitot 272 



Gages, Pressure. 272, 273, 274, 275 



Gages, Rain 273 



Gage, Screw Pitch 273 



Gage, Thorp 285 



Gage, Tube 272, 273 



Gage, Vacuum, McLeod's.... 273 

 Gage, Vacuum, Standard.... 273 



Gages, Water 387 



Gages, Wire 274 



Gage Rods 377 



Gage Tables for Wire 527 



Galvanic Batteries 66-74 



Galvanized Waste Can 612 



Galvanometers and Accesso- 

 ries 205-207. 213 



Galvanometer, Demonstration 213 



Galvanometer Mirrors 207 



Galvanometer Repairs 207 



Page 



Galvanometer Suspensions... 207 

 G a 1 v a n o meter Suspension 



Ribbon 207 



Galvano-Volt-Ammeter 213 



Gamma Ray Electroscopes.. 425 



Gang Molds 131. 132 



Ganong Plant Physiology 



Apparatus 299. 407 



Gases, All Kinds 274. 275 



Gas, Ammonia 274 



Gas, Carbonic Acid 274 



Gas, Chlorine 274 



Gas, Hydrogen 274 



Gas, Nitrogen 275 



Gas, Nitrous Oxide 275 



Gas, Oxygen 275 



Gas, Sulphur Dioxide 275 



Gas Analysis Apparatus. .276-283 

 Gas Analysis Appa'ratus, Bur- 



rell 278 



Gas Analysis Apparatus, 



Dwight's CO 2 278 



Gas Analysis Apparatus, Elli- 

 ott's 281 



Gas Analysis Apparatus, Hin- 



man-Jenkins 282 



Gas Analysis Apparatus, 



Lunge 372 



Gas Analysis Apparatus, Or- 



sat 277-281 



Gas Analysis Apparatus, Or- 



sat-Fischer 279 



Gas Analysis Apparatus, Or- 



sat-Lunge 279, 372 



Gas Analysis Apparatus, Or- 



sat-Muencke 279 



Gas Analysis Apparatus, Pe- 



terson-Palmquist 270 



Gas Analysis Apparatus, Ref- 

 erees 11, 282 



Gas Analysis Apparatus, Rue- 



dorff 282 



Gas Analysis Apparatus for 

 Sulphur and Ammonia.... 



11, 281, 282 



Gas Analysis Apparatus, Tut- 



weiler 283 



Gas Analysis Apparatus, U. 



G. 1 294 



Gas Analysis Apparatus, U. 



S. Bureau of Mines 276. 277 



Gas Analysis Apparatus, U. 



S. Steel 280 



Gas Analysis Apparatus. 



Winkler 282. 294 



Gas Analysis Apparatus, Wil- 

 liams 281 



Gas Apparatus for Benzene 



Vapor 278 



Gas Apparatus, Chancel's.... 281 

 Gas Apparatus for Dust De- 

 termination 285 



Gas Apparatus for Nitrogen 



Determination 371, 372 



Gas Bags 282 



Gas Balance 286 



Gas Balloons 63 



Gas Bottles, Cubic Foot 292 



Gas Bulbs 63, 279. 428 



Gas Burettes 282. 283 



Gas Burners 113-120 



Gas Calorimeters, Junkers... 



284. 285 



Gas Calorimeter, Mann 285 



Gas Calorimeter, Parr 283 



Gas Calorimeter, Sargent.... 284 

 Gas Calorimeter Thermome- 

 ters 284. 494 



Gas Collecting Jar, Chidlow. 253 



Gas Collecting Tubes 286 



Gas Collector, Doremus 286 



Gas Connecting Tubes 506 



Gas Cylinders for CO 2 Oxy- 

 gen, etc 274, 275 



Gas Cylinder Valves 274. 275 



Gas Density Balance, Edwards 286 



Gas Distributors 287 



Gas Ejector 285 



Gas Electrodes 398 



Gas Electrode Support 398 



Gas Explosion Pipettes. .293, 294 



Gas Filters 287. 601 



Gas Filter Attachment 501 



Gas Filter Tube 287, 501 



Gas Flame Testing Burner. . 376 



Gas Generating Bottles 287 



Gas Generators 287-289 



Gas Heated Drying Ovens.386-388 

 Gas Heated Paraffine Ovens.. 

 394, 395 



