INDEX TO L. CASELLA'S CATALOGUE. 



255 



Philosophical or Water Hammer, 2262. 

 Photographic Apparatus, Set of, 1584 to 



1588. 



Cameras, 1648 to 1677. 

 Chemicals, 1779. 

 Lenses, 1589 to 1647. 

 Papers, 1780 to 1784. 

 Plate Boxes, 1704 and 1705. 

 Presses, 1785 to 1787. 

 Printing Frames, 1700 to 



1703. 

 Boiling Machines, 1788 to 



1795. 



Stills, 1777. 

 Sundries, 1778. 



Tents, 1708 to 1716. 

 Photometer, Lowe's, 2364 and 2365. 



Wheatstone's, 2366 and 2367 

 Photostats, 1948 and 1949. 

 Pillar Compasses, 765 and 766. 

 Pinchcocks, 2653 and 2654. 

 Pipettes, 2698. 

 Pith Ball Stand, 2000. 

 Figures, 1999 and 2024. 

 Image Plates, 2002. 

 Plain Compasses, Drawing, 745. 

 Planes, Inclined, 2386 and 2387. 

 Planetariums, 2833 and 2834. 

 Plantation Barometers, 149, 189 and 190. 

 Plate Boxes, Photographic, 1704 and 1705. 

 Electrical Machines, 1914 to 1934. 

 for Proving Porosity of Vegetables, 



2248. 



Holders, 1775. 

 Plates, Glass, 1729. 

 Platanized Silver, 2108. 

 Platinum Capsules, 2746. 

 Pliers for Microscopes, 1218 to 1223. 

 Plotting Scales, 54O to 546. 

 Pneumatic Apparatus, Sets of, 2199 and 



2200. 

 Pneumatic Plate Holders, 1722, 1739 to 



1743. 



Pneumatic Troughs, 2643 to 2646. 

 Pocket Altazimuth, 521. 



Aneroid Barometers, 110 to 122. 

 Compass, Kater's Azimuth, 450. 

 Dividers, 769. 

 Hygrometer, 57. 

 Hypsometer, 86. 

 Levels, Brass, 420 to 425. 

 Measuring Tapes, 538. 

 Mercurial Standard Barometer, 88 

 Perambulator, 516. 

 Eules, 586 to 588. 

 Sympiesometer, 123. 

 Telescopes, 1368 to 1373. 

 Thermometers, 214 to"22S. 

 Points, Black Lead, 2866. 



Polariscope, 1819. 



Objects for, 1820. 

 Polarizing Apparatus, 1292. 

 Polemiscope, 1565. 

 Porcelain Baths, 1746. 

 Dippers, 1747. 

 Funnels, 1748. 

 Trays, 1745. 

 Portable Astronomical Telescopes, 1385 to 



1388. 

 Portable or Pediment Barometers, 150 to 



157. 

 Potash Apparatus, Liebig's, 2783. 



Mitscherlich's, 2782. 

 Powder Magazines, 1008. 

 Presentation Microscope, 1127. 

 Press, Hydraulic, 2269. 

 Presses, Photographic, 1785 to 1787. 

 Pressure Gauge, Bottle Testing, 2308. 

 Inspector's, 2307*. 



Small Model Pocket, 2307 

 Thermometric, 2324. 



Pressure Gauges, Bourdon's Metallic, 2309 



to 2314. 

 Pressure Gauges, Direct Acting, 2300 to 



2303. 



Pressure Gauges, Hydraulic, 2315 to 2317. 

 Mercurial, 2318 to 2325. 



Indicator for Soda Water, 2295. 

 for Water, 2305 and 



2306. 



Pricker, Needle, 785. 

 Printing Frames for Photography, 1700 to 



1703. 



Prints, Coloured, for Diagonal Mirror, 1575 

 Prismatic Azimuth Compasses, 915 and 



918. 

 Prismatic Compasses, 445, 446 and 449. 



Tripod Stands for, 447 



and 448. 

 Prisms for Microscopes, 1275 to 1280 and 



1290. 



for Telescopes, 1406 and 1407. 

 Glass, 1582 and 1583. 

 Proportional Calipers, 758. 



Compasses, 759 to 763. 

 Protectors, Eye, 1033 to 1042. 

 Protractors, Circular, Brass and German 



Silver, 615 to 623. 

 Protractors, Circular Horn, 608. 



Ivory, 603 to 606. 

 , , Semi-circular, Brass & German 



Silver, 609 to 614. 

 Semi-circular, Horn, 607. 

 Prout's Urinometers, 2560 and 2562. 

 Provers, Cloth or Linen, 1105. 

 Pulleys, Set of, 2383 to 2385. 

 Pumps, Air, 1306, 2173 to 2197. 

 Centrifugal, 2278. 



