576 



NEGEETTI AND ZAMBRA, HOLBORN VIADUCT, E.G., 



Developing Glasses, 3239. 

 Dishes, 3270. 



., Box, page 534. 

 Devices, Electrical, on Glass, 2431/2434. 

 Diagonal Barometer, page 14. 

 Print Machines, 729. 

 Kods, Double, 1666. 

 Diagrams illustrating Astronomy, Geography, 

 Geology, various Steam Engines and 

 Machines, &c., 3019, 3123. 

 Dialysis, apparatus for, 2148, 1964, page 



395. 



Dials, Sun, page 312. 

 Diamond Jars, Electrical, 2437. 

 Diamonds, writing and cutting. 2224, 2225. 

 for Cutting Thin Glass Circles, 



1005. 

 Dial Barometer, described, page 134. 



to make portable, page 135. 



Dicas' and Allan's Hydrometers, 434. 

 Dials, Surveyors' and Miners', page 291. 



Pocket Sun, page 317 and 318. 

 Dioptric Ship Signal Lamps (Oliver's Patent)? 



to order. 

 Dioramic Lantern Slides and Effects, 



page 366. 



Dipleidoscope, 1187. 

 Dippers, Glass and Porcelain, page 542. 



., Silver, 3269. 

 Dipping Needles, 2660, 3135. 



Baths, page 541. 

 Drosometer, see page 68. 

 Directors for Medical Galvanic and Electrical 



Apparatus, 2400, page 456. 

 Discharger, Cuthbertson's Steelyard, 2409. 

 Electrical. 2397. 

 Henley's Universal, 2407. 

 Jointed, 2397. 

 Dishes, Evaporating, 1958. 

 ., Glass Exciting, 3272. 

 Metal, 2226, 3122. 

 Porcelain Washing, page 542. 

 Sulphuric Acid, 2086. 

 Berlin Ware, 1957. 

 Gutta Percha and Ebonite, 3271. 

 Platinum, 2231. 

 Dish, Zinc, 3296. 

 Dissecting Forceps, 970. 



Instruments, cases of 983. 

 Knives, 979. 

 Needles, 975. 

 Scissors, 976. 



Dissolving View Apparatus, page 356. 

 Slides, page 366. 



with Oxy-calcium Light, 



358. 



Dissolving View Apparatus with Oxy- 



hydrogen Light, page 359, and see Manual. 

 Distillers' Rules, page 345. 

 Divided Tube, 1998. 

 Dividers, page 334. 

 Hair, 1500. 

 Pocket, 1506. 



Dip Circle, Kew Pattern, 136. 

 Dividers, Spring, 1508. 



Steel Spring Bow, 1512. 



with pen and pencil joints. 1512, 

 1513. 



Turn-in, 1506. 

 Dividing Engine, page 31. 

 Diving Bell, model of, 2939. 



Apparatus, pages 505, 507. 

 Disinfecting Thermometers, 379*. 

 Distilling Apparatus for Beer and Spirits, 



page 193. 

 Dobereiner's Extracting Apparatus, 2133. 



Lamp, 2270, 2009. 



Donovan's Apparatus, 2132. 

 Dotting Pens, 1525. 

 Double Cone and Inclined Plane, 3032. 

 Double Tube Deep Sea Thermometer, 



Negretti and Zambra's, pages 60 to 67. 

 Drainage Levels, page 287. 

 Drainers for Crystals, 1953. 

 Draining Boxes or Racks, 2946. 

 Draughtsman's Camera Obscura, 740. 

 Drawing Boards, 1642 and page 307. 



Instruments, Regulation sets of, 

 page 306. 



School sets of, 1557*. 



Ordnance Pattern, 



page 1479. 



., Addiscombe or Cadet's. 



1478, 1478* 



Woolwich, 1481. 



Civil Engineers', 1482. 



King's College, 1482. 



Magazine Sets, 1486. 



Swiss or French, 1557*. 



Pencils for Instruments, 1639. 



Pens, page 336, 338. 

 Pins, 1637. 



Scales, pages 339, 343. 



Squares, page 342. 

 Dropping Bottles, 1963. 

 Tubes, 1961. 



Bottles, Improved, 3109, 547. 



Tube, Pneumatic, 547*. 

 Dry Collodion Plates, page 553. 

 Dry and Wet Bulb Hygrometers, pages 



68 to 80. 

 Drying Apparatus, 2220, 2333. 



