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



545 



Paee 



Pilot Flame Burner 113 



Pins, Insect 326 



Pins, Ordinary 404 



Pincers 256 



Pinch Clamps 147 



Plnchcocks. Mohr's 147 



Pinning Forceps 2 



Pioscope, Heeren's 362 



Pipe, Block Tin 526 



Pipes. Clay 404 



Pipe. Lead 370. 625 



Pipe Stem Triangles 503. 504 



Pipe Wrench. Stillson's 523 



Pipettes. All Kinds 



85, 87, 107. 134, 279. 293. 



294, 366, 362, 404-406. 475. 508 



Pipette, Acid. Automatic 356 



Pipettes. Automatic 87. 404 



Pipettes, Blood. Wright's.... 87 



Pipettes. Blood Counting 85 



Pipette for Centrifuge 134 



Pipettes, Certified 406 



Pipette, Comer's Automatic. . 



87. 404 



Pipettes, Dropping 87. 404 



Pipettes, Explosion 293. 294 



Pipettes, Gas 293. 294 



Pipette, Glucose 404. 476 



Pipettes, Haemacytometer. . . 86 



Pipettes, Mercury 405 



Pipettes, Milk, Babcock 362 



Pipettes, Orsat 279 



Pipette, Ostwald Calibrating. 404 

 Pipette, Ostwald for Folin 



Apparatus 508 



Pipette. Ostwald Viscosity... 403 



Pipettes, Serological 405 



Pipettes. Sugar 404. 475 



Pipettes, Transfer 405 



Pipettes. Viscosity 403 



Pipettes, Volumetric 405 



Pipettes, Weighing 107 



Pipette Bottle 406 



Pipette Boxes 406 



Pipette Brush 109 



Pipette Electrode 397 



Pipette Rest 406 



Pipette Support 406 



Pitch Molds 22. 23 



Pitch Testers 18-25 



Pitchers. Acid 9 



Pitot Tube 272 



Planes 406 



Plant Bell Jars 79. 80 



Plant Description Paper 96 



Plant Physiology Apparatus.. 407 



Plant Presses 95. 96 



Plantamour's Hot Water Fun- 

 nels 258 



Plasticity Apparatus 451 



Plates. All Kinds 16. 



94. 132, 168. 169. 175. 181. 

 185. 203, 238. 253, 255, 299, 

 300. 306. 308-310, 407, 408, 416 



Plates for Air Pumps 416 



Plate. Arsenic 16 



Plates. Beaker Covers 407 



Plate. Cement 132 



Plate. Color Reaction 408 



Plates. Colored Glass 408 



Plates, Cork 168 



Plates. Counting Bacteria... 



.168. 169 



Plates, Crushing 175 



Plates for Desiccators 185 



Plate. Draw 203 



Plates, Germinating 299. 300 



Plate. Glass, for Cement 132 



Plate. Glass, for Slick Test.. 253 



Plate. Gluten 255 



Plates. Hot. Electric. 306. 308-310 

 Plates, Hot. with Flask Heat- 

 er 306 



Plates. Hot. Gas 117. 310 



Plates, Perforated, Porcelain 



for Funnels 238 



Plates, Petri, Culture... 181 



Plates. Porcelain 185. 238. 253 



Plates, Porous 299. 408 



Plates, Streak 17. 94 



Plates, Suberlte 168 



Plates. Zinc 255 



Plate Glass Plates 132. 407 



Plate Rheostats 226 



Plate and Rubber. Iron 175 



Platinoid Wire 522 



Platinum Wire 



93. 256. 408-411. 502 



Platinum Blowpipe Tips 93 



Platinum Crucibles 408, 409 



Page 



Platinum Electrodes SSI. 410 



Platinum Electrode Dishes.. 409 



Platinum Forceps 94. 256 



Platinum Holders 326 



Platinum Needles 386 



Platinum Weights 55-57 



Platinum-Rhodium Couples for 



Brown Pyrometers 420 



Platinum Thermo-Couples. . . 420 

 Platinum Tipped Forceps. 94. 256 



Platinum Tipped Tongs 502 



Platinum Wire for BIowplp- 



ing 94. 411 



Plattner Blowpipes 93 



Plattner Blowpipe Apparatus 



93. 94 



Plattner Diamond Mortar. . . . 366 



Plattner Hammer 94 



Plattner Scale 94 



Pliers 411. 412 



Plotting Paper 169 



Pings for Electrical Connec- 

 tions 227. 228 



Plugs. Fuse 227 



Plumb Bob. Iron 412 



Plumbago Crucibles 172 



Plunge Batteries 69 



Pneumatic Troughs 506 



Pocket Ammeters and Volt- 

 meters 209 



Pocket Carrying Case. Hy- 

 drometer 314 



Pocket Flash Lamp 331 



Pocket Hand Book of Blow- 

 pipe Analysis 94 



Pocket Knives 329 



Pocket Level. Brass 333 



Pocket Magnifiers 334. 336 



Pocket Rules 432. 436 



Pocket Screw Driver 437 



Pocket Thermometers 



492. 494. 497 



Polar. Cenco-, Water Stills.. 



196. 197 



Polar Co-ordinate Paper 169 



Polarity Indicators 228 



Policemen. Rubber 429 



Polisher for Metal Specimens 337 

 Polishing and Grinding Ma- 

 chines 336. 337 



Polishing Heads 412. 413 



Polishing Material 



?3fl. 336-338, 368. 390. 412. 413 

 Polishing Wheels. Felt... 412. 413 



Porcelain Acid -Dishes 185 



Porcelain Arsenic Plate 16 



'Porcelain Rail Mills 179.180 



Po-velain Rails for Mills 180 



, Porcelain Beakers 78 



Porcelain Bowl 107.253 



Porcelain Burner 114 



Porcelain Capsules. . .129. 162. 187 

 Porcelain Casseroles ....129. 130 

 Porcelain Combustion Boats.. 161 

 Porcelain Combustion Cap- 

 sules 129. 162 



Porcelain Combustion Tubes. 1S3 



Porcelain Cones 238 



Porcelain Crucibles. . .20. 172. 173 



Porcelain (^ups 253. 484 



Porcelain Desiccator Plates. . 185 

 Porcelain Evaporating Dishes 



186. 187 



Porcelain Filter Cones 238 



Porcelain Filter Cvllnders... 238 



Porcelain Filter Disks 238 



Porcelain Filter Flasks 237 



Porcelain Funnels 258 



Porcelain Jars for Ball Mills. 



179. 180 



Porcelain Mills 179.180 



Porcelain Mortars 367 



Porcelain Pipette Rest 406 



Porcelain Plates. 1S5. 238. 253. 408 

 Porcelain Plate for Color Re- 

 actions 408 



Porcelain Plates for Desicca- 

 tors 15 



Porcelain Plates for F""nels. 23S 

 Porcelain Pyrometer Tubes.. .421 



Porcelain Rings 428 



Porcelain Soatulas 461 



Porcelain Spoons 462 



Porcelain Swimming Cups... 484 



Porcelain Tubes 163. 421 



Porous Covers for Petri Dishes 181 



Porous Cups, Battery 6fl. 68 



Porous CUDS or Cells 66. 68 



Porous Filters 237. 238 



Porous Plates 408 



Page 



Portable Ammeters and Volt- 

 meters 209-212 



Portable Electric Testing Set 2 

 Portable Galvanometers .... 206 

 Porter's Electric Motors..... 214 



Posts, Binding 75 



Potash Bulbs 413. 414 



Potato Culture Tubes 488 



Potato Cutter. Ravenel 414 



Potentiometers 222. 223 



Pots, Acid 9 



Pouring Molds 366 



Power Mills and Grinders... 



175-181 



Power Sieve Shakers. .. .442. 443 



Precipitating Jars 327 



Precision Burettes 112. 113 



Precision Flasks. Volumetric 250 



Precision Graduates 183 



Precision Hydrometers ...311-31 



Precision Microtome 353 



Precision Mixing Cylinders.. 183 



Precision Pipettes 406 



Precision Thermometers. .491-^95 



Precision Urlnometers 510 



Preparation Dishes 188 



Preparation Jars 326-328 



Prescription Balances 



39. 40. 42. 43. 47. 51. S4 



Prescription Weights 



Preservation Jars 326-328 



Press for Calorimeter Work. 



128. 414 



Press. Filter 248 



Presses. Flower 95. 96 



Press for Herbs 414 



Press. Laboratory 414 



Press. Pastille 128. 414 



Prss. Pellet for Calorimeter 



Work 128. 414 



Presses. Plant 95. 9S 



Press. Tincture 414 



Pressing Paper. Botanical. .95. 96 



Pressure Blowers 89-9? 



Pressure Bottles 100 



Pressure Cookers. Sterilizers 28 

 Pressure Filter Apparatus... 



236. ?37 



Pressure Oages 272-27 



Pressure Gas Bags 282 



Pressure Pumps. . .89-92. 414. 424 

 Pressure Regulators. Gas.... 



28. 274, 276. 284. 294. 501 



Pressure Regulator. Gas. for 



Thermo-Regulators 294 



Pressure Sterilizers 26-29 



Pressure Tanks 90, 92. 414 



Pressure Tube. Osmotic 401 



Pressure Tubing 431 



Primarv Batteries 66-70 



Prince Rupert's Drops 4 



Probang 110 



Probes 193 



Proofing Cabinets ?! 



Prospectors' Hammers ....94. 303 

 Protecting Cases for Pyrome- 

 ters 419. 420 



Protecting Pyrometer Tubes. 



420. 421 



Protractor and Goniometer. 



Penfield 298 



P=vf-hrom"ters. Sline 317 



Pudding Trav for Soils 4K7 



Pukal. Filter Balloon 237 



Pulleys on Support for Trans- 

 mission 216 



Pulp Balances 39. 40 



Pulse or Palm Glass 414 



Pulverizers 17S-181 



Pulverizing. Grinding and 

 Crushing Apparatus ...175-181 



Pumns. All Kinds 



..9. 89- '. 242. 243. 414-416. 424 



Pumps. Acid 9 



Pum^s. Air. Mechanical. 89-91. 414 



Pumps. Blast 89-9? 



Pumps. Compression for Gases 414 



Pumps. Filter 242. 243 



Pumps.' "Pressure. .89-92. 414. 424 

 Pumns. R'iction. .242. 243. 414-416 

 Pumps. Suction and Pressure 



89-92, 414. 424 



Pumps. Vacuiiti 



89-92. 24? 243, 414-416. 424 



Pumns. Water P.last 99. 



Pumps. Water Filter 242. 243 



Pump Oil 416 



I Pump Platf-s. Air 416 



i Purlnometer, Hall's 508 



