250 



INDEX TO L. CASELLA'S CATALOGUE. 



Gas Photometers, WheatUone's, 2366 and 



2367. 

 Pressure Gauges, 2346 to 2349. 



King's Pedestal, 2354. 

 Specific Gravity Apparatus, 2362. 

 Thermometers, 2355 to 2359. 



Sockets and Plugs for, 



2357 and 2360. 



Gassiott's Vacuum Tubes, 2119. 

 Gay Lussac's Alkalinieter, 2693. 

 Holder or Vice for Retorts, 



2679. 



Mountain Barometer, 16. 



Gauge Glasses, 2345. 



Taps, Gun Metal, Homersham's, 



2344. 



The Gardener's Eain, 186 

 Gauges, Bourdon's Pressure and Vacuum, 



2309 to 2314. 

 Cattle, 334. 

 Direct Acting Pressure, 2300 to 



2303. 



Evaporating, 70 and 71. 

 Moat, 344. 

 Gas, 2346 to 2354. 

 Horse, 333. 



Hydraulic Pressure, 2315 to 2317. 

 Inspector's Pressure, 2307*, 2350 



to 2353. 



Iron for Soap Works, etc., 2304. 

 Mercurial Pressure, 2318 and 2325 

 Vacuum, 2319, 2320 



and 2323. 



Eain, 62 to 69, 72, 73 and 230. 

 Self-registering, 72 and 73. 

 Eope, 342 and 343. 

 Small Model Pocket Pressure, 2307 

 Soda Water, 2297. . 

 Syphon, 2321 and 2322. 

 Thermometric Pressure, 2324. 

 Tide, 72. 

 Water, 2335 and 2336. 

 Gauging Instruments, Sets of, 287 and 288. 

 Gauntlett's Pyrometer, 257. 

 Geological Compasses, 495 to 497. 

 Geometrical Solids, 2406. 

 Glass Baths for Photographers, 1678 & 1726 

 Glass Blower's Bellows, 2735 and 2736. 

 Dippers, 1727. 

 Dishes, 1728. 

 Egg-shaped, 1968. 

 Mask, with cap and stop-cock, 2238. 

 Tunnels, 1759. 

 Globe for Voltaic Light, 2118. 

 Jar and Figure, 2277. 

 Jars for Hydrometers, 2756. 

 Measures, Graduated, 2703. 

 Pestle and Mortar, 1764. 

 Plates, 1729. 



Glass Plates, Circular, 1936. 



Cutting and Shaping, 1749. 

 3, for Covering Air Jars, etc., 



2640. 



Stirring Eods, 1760. 

 Tubing, Flint, 2776 and 2777. 



German, 2778. 



Glasses, Beaker, 2739 and 2740. 

 Gauge, 2345. 

 Log, 1011 and 1012. 

 Test, 2755. 



Time, 1010, 1013 and 1014. 

 Vignette, 1730. 

 Globes, 2813 to 2825. 



Compass Boxes for, 2820. 

 Covers for, 2830. 

 Goggles, 1039. 



Gold Leaf Electrometer, Bennett's, 1953. 

 ,, Galvanometer, Cumming's,2l66 

 Plate, 2109. 

 Solution, 2113. 

 Wire, 2109. 



Goniometers, 1289, 2429 to 2431. 

 Gourjon's Improved Galvanometer, 2167. 

 Graduated Glass Measures, 358 and 1750. 

 and Capped Collodion Bottles, 



1753. 



and Stoppered Bottles, 1752. 

 Graphoscopes, 1559 to 1562. 

 Gravatt's Levelling Staff, 439. 



or Dumpy Levels, 409 to 412. 

 Gravimeter, Nicholson's, 2557 and 2558. 

 Great Eastern, Model of, 2473. 

 Greenhouse Thermometers, 180. 

 Gregory's Equestrian Compass, 476 and 



476*. 



Ground Thermometers, 178 and 179. 

 Grove's Batteries, 2072 to 2080. 



Sets of, 2150 and 2152. 

 Guinea and' Feather Apparatus, 2232. 

 Gunter's Scales, 575 to 578. 

 Gyle Tun Thermometers, 252, 253, 266, 



to 275. 

 Gyroscopes, 2408 and 2409. 



H 



Half Sextants, Ebony, 867 and 868. 



Metal, 869. 



Hand and Bladder Glasses, 2250. 



Eeading Glasses, German silver 



frames, 1095 and 1096. 

 Eeading Glasses, polished hardwood 



frames, 1097. 

 Hanging or Tell-Tale Compasses, 887 to 



889. 



Hare's Single Leaf Electroscope, 1956. 

 Harris's Balance Beam Electrometer, 1965. 

 Circular Glass Plate Electrical 

 Machines, 1929 and 1930. j 



