256 



INDEX TO L. CASELLA'S CATALOGUE. 



Pumps, Models of, 2279 to 2282. 

 Pyrheliometer, Pouillett's, 35. 

 Pyrometers, 256 to 258. 



Quadrants, Ebony, 873 to 875. 

 for Globes, 2829. 

 Metal, 869 to 872. 

 of Altitude, 2828. 



.,, or Half-Sextants, Ebony, 867 

 and 868. 



Kadii or Eailway Curves, 625 to 629. 

 Kag Stones, Norway, 297. 

 Eailway or Eadii Curves, 625 to 629. 

 Pen, 783. 



Whistles, 2338 and 2339. 

 Eain Gauges, 62 to 69, 73 and 230. 

 Garden, 186. 



Self-Eegistering, 72 and 73. 

 Eeading Glasses, 1095 to 1097. 



Micrometers, 1423. 

 Eeceivers, Chemical, 2675. 



for Air Pumps, 2175, 2178, 2223 



to 2228. 



Malt, 330. 

 Eeflecting and Eepeating Circles, 395. 



Level, Burrell's, 430. 

 Eegistering Meteorological Forms, 95. 

 Ozonometer 94. 



Eespiration Glass, 2249. 

 Eetorts, 2674. 



Stands, 2676 to 2678. 

 Ehumkorff's Induction Coils, 2136, 2139 



to 2142. 

 Eoad Pen, 783. 

 Eocks, Collections of, 2479, 2480, 2483, 



2487 and 2488. 

 Eods, Dipping, 319 to 322. 

 Malt, 324 to 326. 

 Screw Spile, 309. 

 Steel Oil, 318. 

 Table, 310 and 312. 

 Timber Measuring, 305 and 306. 

 Eolling Machines, Photographic, 1788 to 



1795. 



Eolling Parallel Eules, 642 to 654. 

 Eope Gauges, 342 and 343. 

 Eotary Stage, 1235. 

 Eoutiedge's Slide Eule, 579. 

 Eules, Beer, 319 to 322. 

 Engineer's, 585. 



Slide, 579 to 584. 

 Malt or Veries, 337 and 338. 

 or Gauges for Horses, 333. 

 ParaUel, 635 to 641. 



Capt. Field's, 652. 



Eules, Parallel, Capt, Toynbee's, 655. 

 Pocket, 586 to 588. 

 Eolling ParaUel, 642 to 654. 

 Spirit, 307 and 308. 

 Tebay's Universal Planning, 569. 

 Timber, 299 to 304. 

 Ullage and Casting, 314 and 315. 

 Valuation and Eeducing, 316 and 

 317. 



Saccharometers, Beaume's, 2542 and 2554. 

 Gay Lussac's, Eichter's, 



and Tralle's, 2554. 

 Gilt, 2500 to 2504. 

 Glass, 2505 to 2507. 

 Safety Valve, 2337. 

 Salinometer Hydrometers, 2520 to 2523. 



Patent, 2519. 



Thermometer for, 2524. 

 Salt Water Bubbles or Beads, 2549. 

 Saucers for Colours, 2892 to 2895. 

 Scales and Weights, Photographic, 1766 



to 1768. 



Scales, Architect's, or Engineer's, 552. 

 Chain, 549, 550, 555 to 557. 

 Computing, 563. 

 Gunter's, 575 to 578. 

 Marquois, 570 to 574. 

 Metfbrd's, 539. 

 of Chemical Equivalents, 2785. 

 Offset, 547, 548, 558 to 560. 

 Plotting, 540 to 546. 

 SmaU Ivory, 562. 

 Universal, 564, 567 and 568. 

 Schonbein's, Dr., Ozonometer, 89. 

 School or Garden Microscope, 187. 

 Schuster's Alkalimeter, 2694. 

 Screens, Opaque, for Magic Lanterns, 1839. 

 Transparent, 1838. 



Screw Stick for Malt Gauging, 323. 

 Scribing Irons, 295 and 296, 

 Scuttles for Ships, 963 to 970. 

 Sea Coast or Station Telescopes, 1362, 1366 



and 1367. 

 Sectors, 589. 

 Sedan's Ozonometer, 91. 

 Selenite Stages, 1230 to 1233. 

 Self-Eecording Anemometers, 80 to 83, and 



75 to 80. 

 Self-Eegistering Chemical Thermometers, 



246 and 2905*. 



Deep Sea Thermometers,48. 



Eain Gauges, 72 and 73. 



Thermometers, Six's, 203 



to 204*. 

 Tide Gauge, 72. 



Semi-circle, Brass, to show centre of Gra- 

 vity, 2398, 



