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



539 



Page! 



Gas Heated Water Baths 



513, 514. 517, 620 



Gas Holders 28 



Gas Hose, Rubber 430. 431 



Gas Hot Plates 310 



Gas Lamps, Harcourt-Pen- 



tane 291 



Gas Lighter 288 



Gas Machine, Matthew's 289 



Gas Measuring Tubes 289 



Gas Meters 284, 285. 289 



Gas Meter for Junker Gas Ca- 

 lorimeter 284, 285, 289 



Gas Palladium Tube 290 



Gas Photometers 290. 291 



Gas Pipettes 293, 294 



Gas Pliers 411 



Gas Pressure Regulators.... 



274. 275. 284. 285. 294 



Gas Pressure Regulators for 

 Junker's Gas Calorimeter.. 



284. 285 



Gas Pressure Regulator for 



Thermo-Regulators 294 



Gas Reduction Factors 284 



Gas Regulator for Autoclave. 28 



Gas Stop-Cocks 287. 470. 471 



Gas Stoves 117 



Gas Thermo-Regulators 601 



Gas Tips 294 



Gas Tongs 411 



Gas Washing Bottles 294 



Gasoline Blast Burner 



121. 122. 269 



Gasoline Blowpipes. . 121. 122. 269 

 Gasoline Blowpipes for Fur- 

 naces 122. 264. 269 



Gasoline Burner. Cary's..l22, 269 

 Gasoline Burner, Dangler.... 122 



Gasoline Furnaces 



264, 265, 268, 269 



Gasoline Gas Burners 118 



Gasoline Gas Hot Plates.... 310 



Gasoline Gas Machines 289 



Gasoline Gas Regulator 289 



Gasoline Gas Stoves 117. 310 



Gasoline Hydrometers 313 



Gasoline Tank Outfit 122 



Gasoline Torches 121 



Gasometers 288 



Gasometer Chart. Frost's.... 235 



Gauntlet Gloves 297. 298 



Gauze, Platinum 410 



Gauze, Wire 623 



Gauze Electrodes. Platinum.. 410 



Gauze Top, Burner 123 



Gawalowsky's Burettes Ill 



Gay-Lussac Specific Gravity 



Bottles 104 



Gay-Lussac Support 477 



Gear, Speed Reducing, for 



Motors 216 



Geissier Air Pump 242 



Geissler Alkalimeter 129 



Geissier Burettes Ill 



Geissler Carbon Dioxide Ap- 

 paratus 129 



Geissler Filter Pump 242 



Geissler Potash Bulbs 413 



Geissler Specific Gravity Bot- 

 tle 104 



Geissler Stop-Cocks 472 



Geissler Stop-Cock Burettes.. Ill 

 Geissler-Wetzel Potash Bulb. 414 

 Gelatine and Glue Tester.... 298 

 General Chemical Co. Arsenic 



Tube 17 



Generating Flasks 244. 287 



Generators, Electric ....207, 208 

 Generators. Electric Motor... 



217. 218 



Generators, Gas 287. 288 



Genus Covers. Botanical 95 



Geological Hammers 94. 303 



Geological and Mineralogical 



Apparatus. . .92-94. 303. 364. 365 

 German Silver Weighing Dish 



with Counterpoise 62 



German Silver Weights 58 



German Silver Wire 522 



Germinating Apparatus.. .299. 300 



Germlnators. Grain 299. 300 



Geryk Air Pumps 416 



Gile's Volumetric Flasks.... 25ft 



Gilmore Needles 132 



Gimlets 295 



Glaser Combustion Furnace. . 262 



Glasses, Bell 79. 80 



Glasses, Goggles 298 



Glasses, Micro Cover 350 



Pa^e 



Glasses, Reading 335 



Glasses, Sand 434 



Glasses. Sedimentation 487 



Glasses. Test 487 



Glass, Thief 379 



Glasses. Tumbler 78. 507 



Glasses. Watch 612 



Glass Balloons 63 



Glass Beads 295 



Glass Beakers 77. 78 



Glass Blowers' Blast Burners 1 



Glass Blowers' Fires 117 



Glass Boxes 188 



Glass Carboys 129 



Glass Cutters 295. 296 



Glass Chimneys 114. 145 



Glass Combustion Tubes. Py- 



rex 163. 297 



Glass Connecting Tubes 506 



Glass Cutting Diamond 295 



Glass Cutting Tools 295. 296 



Glass Disk Cutters 295 



Glass Evaporating Dishes... 186 

 Glass Extraction Thimbles. . 233 



Glass Funnels 113, 257-259 



Glass Graduates 183. 299. 301 



Glass Jars 13. 16. 66-70. 



72. 79. 80, 105, 153, 183. 326-328 



Glass Knives 296 



Glass Mortars 367 



Glass Pencils 185, 396 



Glass. Pulse 414 



Glass Plates. All Kinds 



132. 407. 408 



Olass Plates for Cement Test- 

 ing 132 



Glass Retorts 427. 428 



Glass Rings for Micro Slides 349 



Glass Pod 296 



Glass Scoops 62 



Glass Siphons 443 



Glass Spatulas 461 



Olass Snoons 462 



Glass Stirrers 296. 470 



Glass Stop-Cocks 112, 471. 472 



Glass Trays 504 



Glass Triangles 186 



Olass Tubes. 163, 296, 297, 427. 446 



Glass Tubes. Bomb 297 



Glass Tubes. Sealing 297 



Glass Tubing 296. 297 



Glass Tubing Cutter 295. 296 



Olass Tubing Gage 272. 273 



Glass Tumblers 78. 57 



Glass Wool 297 



Olass Writing Diamonds 186 



Glazed Paper 390 



Glazed Paper for Kvmograph 329 

 Glaziers' Diamond Glass Cut- 

 ter 295 



Olinsky Distilling Tube 200 



Globes, Deflagration 184 



Gloves, Asbestos 297 



Gloves, Rubber 297. 298 



Glucose Pipette 404. 475 



Glue. LePage's 298 



Glue. Marine 298 



Glue Hydrometers 313 



Glue Tester. Scott's '298 



Gluten Plates 255 



Goetz Phosphorus Tubes. 135. 141 



Gos-gles 298 



Gold Lacnuer 330 



Gold Leaf 256 



Gold Washing Horn 298 



Gold Washing Pan 298 



Goldbeaters' Skin 298 



Ooldschmidt's Thermit 490 



Goniometers. Penfield's. . .298. 299 

 Oooch Crucible, Asphalt. . .20. 173 

 Gooch Crucible. Bitumen.. 20. 173 

 Gooch Crucibles, Filtering... 173 

 Gooch Crucibles. Platinum... 408 

 Gooch Crucibles. Porcelain . . 



20. 172. 173 



Gooch Crucibles, Transparent 



Quartz 173 



Gooch Crucible Filter Tubes. 257 



Gooch Crucible Tubing 431 



Gouges 145 



Gowns. Operating 14 



Graduates, Conical 299 



Graduates. Cylindrical 183. 299 



Graduates. Glass 299 



Graduates for Moisture Test- 

 ers 183. 299 



Graduated Bottles 



104, 105. 183. 327 



Graduated Flasks 



249. 250. 380. 475 



; Graduated Funnels 257-259 



Page 



Graduated Mixing Cylinders.. 18S 

 Graduated Test Tubes... - 5 . o . g . ^ 



Graham-McCaH's Drainage 



Apparatus 448 



Grain Germination Tester, 



Sho-Gro 8 



Grain Germinator, Sch5njahn 3 



Grain Separating Device 3 



Grain Tester. Grobecker 8 



Grain Testing Apparatus.. 299-302 

 Grain Testing Balances.. .^ ^ 



Grain Tester Fillers 301 



Grain Mills JJ8 



Graniteware Casseroles 130 



Graniteware Dishes . .. . . . .^ ^ 



Granulated Carbon 624 



Graphite Protecting Tubes.. 4 

 Gray's Carbon Residue Flask 241 



Grease for Stop-Cocks 4 



Green's Filter Paper 2 



Green Oil Soap * 



Greenman Burner 1 



Greenman Thermo-Regulator. 501 



Grenet Batteries 



Grethen Weighing Bottle 107 



Griffin Beakers 



Griffin's Glass Tubing Cutter. 2 

 Griffin's Wash Bottle Tube.. 1 



Griffin's Water Bath 5 



Griffith's Test Tube Support. 



Grinders f Crushers) 175 "15 



Grinders for Metal Specimens 3 



Grinders. Tool 303 



Grinding. Crushing and Pul- 



vprlzlng Apparatus 175-181 



Grinding and Polishing Ma- 

 chines 337. 3 



Grindstone 3 



Grobecker Grain Tester..... . 3 



Guard for Burners 123. 375 



Guinea Pig Holders ill 2 ',! 



Gummed Labels 329. 830. 3 



Gummed Tape 95. 4 



Gutta Percha Bottles 103 



Gutzeit-Bragg Apparatus ... 



Hack Saws ............. 337. 434 



Hack Saw Blades .......... . . 434 



Haemacytometers ......... 84> -5 



Haematokrit ........... . If 4 



Haematology, Apparatus for.82-87 

 Haemoglobin Standard. Kutt- 



ner ....................... 



Haemoglobinometers ........ 85 



Haessler-Newcomer Haemo- 



globlnometer ............. 



Hair Hvgrometers ......... . 315 



Half Elements for Physical 



Chemistry ................ 8 



Half Meter Sticks ........... 435 



Half Round Files ............ 2 



Hall's Purlnometer .......... 5 



Hammers ................ 94. 3 



Hammers. Blowpipe ...... 94. 3< 



Hance Mills ................ 177 



Hand Balance ............... 



Hand Blowers .............. 



Hand Drills ........ 203, 204. 295 



373 



346 



* 



335 



3 



4 



1 



168 



512 



235 



355 



291 



488 



427 

 103 

 107 

 258 

 461 

 506 

 526 

 94 

 305 



304 

 481 

 358 



142. 

 Hand Feed Arc Lamp ........ 



Hand Level ................ 



Hand Magnifiers ........ 334. 



Hand Microtome ............ 



Hand Samplers for Coal. etc. 

 Hand Screw Clamps ......... 



Hand Tally ................. 



Hand Vises ................ 



Handles for Files ............ 



Handle for Microtome Knives 

 Harcourt Pentane Lamp ..... 



Hard Glass Test Tubes. . . .94. 



Hard Glass Tubes for Blow- 



piping .................. 94. 



Hard Rubber Bottles ........ 



Hard Rubber Bottle Rest ---- 



Hard Rubber Funnels ....... 



Hard Rubber Spatulas ....... 



Hard Rubber Tubes ......... 



Hard Rubber Tubing ........ 



Hardness Scale ............. 



Hardness Testers ........ 303 



Hardness Test Measuring Mi- 



croscope .................. 



Hardwood Supports ...... 477 



Hart's Casein Tube.. 188, 141. 



