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



P:-p-e 



(.loth Oil Tester 379 



Cloth Tape 95, 486 



Cloth Testing Machines 489 



Coagulators for Blood Serum 



Coagulometers 83 



Coal Ashing Dishes 162, 188 



Coal Calorimeters 126-128 



Coal Crushers 175-181 



Coal Gas Burners 113-120 



Coal Grinders 176 



Coal Oil Pyrometers 422 



Coal Samplers 432. 433 



Coats, Laboratory 14 



Cobalt Glass Plates 407 



Coils, Cooling for Water 



Baths 517 



Coils, Induction 208, 399 



Coils, Resistance 223 



Coll Heaters, Electric 306 



Coll System for Galvanome- 

 ters 206 



Coke Grinders 176 



Cold Chisels 145 



Cold Test Thermometers.... 496 



Collars, Hook 149 



Collecting Apparatus for 



Bacteria 10 



Collecting Case, Botanical... 95 

 Collecting Needles, Wasser- 



mann 83 



Collecting Trowel 506 



Collecting Tubes for Blood. 83, 84 

 Collecting Tubes for Gases.. 286 

 Collections, Mineralogical. . . 



364, 365 



Collodion Balloons 63 



Colony Counting Apparatus. . 



168, 169 



Color Comparators 153-159 



Color Comparison Tubes 153 



Color Comparison Tube Cam- 

 era 154 



Color Dissolving Tubes.. 487, 488 



Color Reaction Plates 408 



Color Testing Apparatus. .153-159 



Color Tray for Soils 457 



Color and Turbidity Determi- 

 nation Apparatus 159, 507 



Colored Glass Goggles 298 



Colored Glass Plates 407. 408 



Colorimeters 154-159 



Colorimetric Determination 



Apparatus 153-159 



Colorless Lacquer 330 



Combination Pliers 411 



Combination Saw 434 



Combination Square 463 



Combined Acid Bottle, for 



Milk Testing 356 



Combustion Apparatus.. . .160-163 

 Combustion Boat Lining. . . . 162 



Combustion Boats 161, 162 



Combustion Boats, Platinum 408 



Combustion Boat Shells 162 



Combustion Capsules. 129, 162, 187 

 Combustion Crucibles, Plati- 

 num 408. 409 



Combustion Furnaces. 116, 260-262 

 Combustion Furnace, Fletch- 

 er's 262 



Combustion Furnaces, Gas 



Heated 262 



Combustion Furnace, Glaser's 262 

 Combustion Furnaces. Hos- 



kins 260 



Combustion Furnaces, Multi- 

 ple Unit Electric 261 



Combustion Spoons 184 



Combustion Tester 278 



Combustion Train, Johnson's 160 

 Combustion Train, Vanier's. . 161 

 Combustion Tubes. ..163, 297, 408 

 Combustion Tubes. Platinum. 408 

 Combustion Tube Burner. . . . 116 

 Combustion Tubing, Glass... 297 

 Comer's Automatic Pipette.87, 404 

 Compacting Machines. .. .447, 448 



Comparators, Color 153-159 



Comparison Tubes, Color. 153. 154 

 Comparison Tube Support... 



154, 159 



Compartment Incubators .... 321 



Compartment Ovens 387, 388 



Compasses, Drawing. 163, 201. 202 



Compasses, Magnetic 164 



Compasses, Pencil 163 j 



Compound Blast Burner 120 



Compressed Air Burners, Me- 



ker 120 



Compressed Cork Mats 168 



Page 



Compressed Cork Rings 168 



Compressed Gases 74. 275 



Compression Pumps for Gases 



89-91, 414 



Compression Testing Machine 



for Cement 131 



Compressors, Air 89-91, 414 



Compressors, Clamp Screw.. 148 

 Compressor Screw for Rubber 



Tubing 148 



Concave Slides 349 



Concentric Rings 428 



Concentric Ring Tripod 505 



Condensed Milk Hydrometers 314 



Condensers, All Kinds 



165, 230-232, 369 



Condenser, Bulls-Eye 345 



Condenser for Extraction Ap- 

 paratus 230-232 



Condensers, Kjeldahl 369 



Condenser, Substage 343 



Condenser, Tar Testing 375 



Condenser Clamps 146, 147 



Condenser Supports 478 



Condenser Trough, for Tar 



Testing 20 



Condenser Tubes 166 



Condenser Tube for Urea, Fo- 



lin 508 



Conducting Cord 623 



Conductivity Apparatus .... 448 



Conductivity Bridges 403, 465 



Conductivity Cells 396 



Conductivity Cell Support... 397 

 Conductivity of Electrolytes 

 Apparatus and Accessories. 



396-403 



Conductivity Lecture Appa- 

 ratus 332, 333 



Conductivity Vessel Clamp... 397 

 Cones, Filtering, Alundum... 237 

 Cones, Filtering, Platinum.. 408 

 Cones, Filtering, Porcelain. .. 238 



Cones, Measuring 273 



Cones, Steel 273 



Cone of Wood 408 



Configuration Atom Models.. 366 



Congo Test Paper 390 



Conical Beakers 246 



Conical Glasses 487 



Conical Graduates 299 



Connecting Bulbs, Kjeldahl.. 371 



Connecting Tubes 506 



Connecting Tubes for Mar- 

 shall Urea in Blood Appa- 

 ratus 87 



Connectors for Batteries.... 76 



Connectors, Hose 308 



Connectors for Stop-Cocks... 471 

 Constant Level Water Tank.. 285 

 Constant Pressure Regulator 



274, 275, 294 



Constant Temperature Baths. 



401-403, 516-519 



Constant Temperature Ovens 



383-385 



Constant Temperature Regu- 

 lators 500, 501 



Contact Goniometers, Pen- 

 field's 298, 299 



Contact Keys 228, 229 



Containers or Bins 81 



Converters, Rotary 226 



Co-ordinate Paper 169 



Coplin's Staining Jar 328 



Coppers, Soldering 460 



Copper Analysis. Braun Elec- 

 trolytic Outfit for 229 



Copper Assay Flasks. .. .246, 248 



Copper Beakers 78 



Copper Crucibles 171 



Copper Condenser 165 



Copper Determination Flask 248 



Copper Distilling Flasks 248 



Copper Drying Ovens 386-388 



Copper Fermentation Tube 



Support 235.478 



Copper Flasks 246, 248 



Copper Flasks for Moisture 



Test 248 



Copper Funnels 258 



Copper Gas Holder 288 



Copper Gauze 523 



Copper Measures 336 



Copper Oxide Flasks 246 



Copper Paraffine Embedding 



Baths 392, 393 



Copper Retorts 427 



Copper Rings 428 



Copper Rod 525 



Page 



Copper Sheet 525 



Copper Stills 195-199, 204 



Copper Test Tube Supports. 480 



Copper Tubing 526 



Copper Water Baths 513-520 



Copper Wire Gauze 523 



Cord, All Kinds 17, 165 



Cord, Asbestos 17 



Core Baking Oven 390 



Corks 166, 167 



Corks, Rubber 301, 429 



Cork Borers 167 



Cork Borer Sharpener 167 



Cork Boring Machine 167 



Cork Extractors 167. 168 



Cork Files 235 



Cork Gage 168 



Cork Knife 168 



Cork Mats 168 



Cork Plates 168 



Cork Press 168 



Cork Rings 168 



Cork Sheet 168 



Corkscrews 168 



Corn Test Sieves 302, 441 



Cornet Cover Glass Forceps.. 256 

 Coronary Artery Scissors.... 192 

 Corper-DeKhotinsky Staining 



Apparatus 464 



Corrosive Sublimate Tablets. 363 



Cots, Finger 243 



Cottle Extraction Apparatus. 



231. 232 



Cotton, Absorbent 8 



Cotton for Plugging Test 



Tubes 8 



Cotton Cloth 162 



Cotton Thread 501 



Cotton Twine 507 



Coulometer, Washburn's Io- 

 dine 397 



Counter, Hand Tally 168 



Counters, Thread 334 



Counter Balance 47 



Counter Brush 108 



Counterpoised BalanceScoops 



61, 62 



Counterpoised Support for 



Weighing Bottles 62 



Counterpoised Watch Glasses 



61. 512 



Counterpoised Weighing 



Scoops 61, 62 



Countershafts for Motors. 216, 416 

 Counting Apparatus for Bac- 

 teria 168, 169. 520 



Counting Apparatus for Blood 



84, 85 



Counting Chambers 84. 85 



Counting- Pipette for Bacteria 



in Milk 404 



Counting Plates 168, 169 



Couplings for Filter Pumps.. 242 



Cover for Balances 61 



Covers for Beakers 20, 407 



Covers, Botanical Genus 95 



Covers, Botanical Species.... 96 

 Covers. Earthenware for Pe- 



tri Dishes 181 



Covers, Porous Clay 181 



Covers and Receivers for 



Sieves 441 



Cover Glasses for Haemacy- 



tometers 84, 85 



Cover Glasses, Micro 350 



Cover Glass Forceps 256 



Crash Towelling 504 



Crayons. Wax 395 



Cream Bottle Brushes 109 



Cream Pipettes 362 



Cream Test Balances. .41, 47. 357 



Cream Test Bottles 357. 358 



Cream Testing Apparatus. 359-361 



Cremator, Electric 169 



Creosote Flasks, Hempel 246 



Creosote Funnels 257. 259 



Creosote Sulphonation Test 



Funnel 259 



Creosote Testing Apparatus. 18-25 



Crooke's Radiometer 426 



Crosscut Saws 434 



Cross Section Chart 169 



Cross Section Paper 169 



Crowell Blast Apparatus .. .90, 91 

 Crowell Positive Pressure 



Blower 90, 91 



Crowell Rotary Air Pumps. 90, 91 

 Crowell Vacuum Pumps.... 90. 91 



Crowfoot Batteries 68 



Crown Rolling Mills ISO 



