570 



NEQEETTI AND ZAMBRA, HOLBOEN VIADUCT, E.G. 



Azimuth Compasses, page 321. 



Bachoffner's Electrepeter, 2701. 



Backgrounds, 3316. 



Bags, Gas, 1783, 1784. 



Balloon Barometers, page 12. 



Babington's Battery, 2520. 



Bain's Apparatus, 2682. 



Balance and Cork Experiment, 2885. 



Balances, Assay, and Chemical, pages 396 



and 406. 



Balloons, 2157, 2159. 

 Balloons of Glass, page 388. 

 Balls, Electrical, Brass, &c., 2503. 

 Bar Compound, for expansion, 2162. 

 Barker's Mill, model of, 2928. 

 B ark tro meter, 477. 

 Barlow's Rotating Star, 2696 



Double ditto, 2697. 

 Bar Magnets, 2645. 



large, for Ship's use, 2647. 

 Barograph, pages 19, 21, 30. 

 Barometer, Cassini, and Benoulli's, page 14. 



Moreland's, page 14. 



,, Hook's, page 14. 



Kew pattern, 15. 



Cases of Glass, 9. 



Testing Chamber, 10. 



Charts and instructions for keep- 

 ing the record, page 132. 



' Tubes, 2887. 

 Barometers, pages 136 to 151. 



Gun, Admiral Fitzroy's, 18. 



Agricultural, page 144. 



Altitude, pages 10 and 11. 



Aneroid, pages 21 to 27, and page 

 148. 



ditto, Pocket or Watch size, 23, 

 24, 25. 



Chemical, page 11. 



,. Boat, 28, and page 148. 



Bourdon's Metallic to order. 



Dial or Wheel, pages 136 to 138. 



.. . Farmers', page 144. 



Fisherman's. Admiral FitzRoy's, 

 page 143. 



Howson's ditto, pages 14 and 15. 



Fortin's, pages 5 to 7. 



,, principles of, explained, pages 2, 3. 



Laboratory, 13, 1913. 



,, Long Range, 24*. 



Marine, ordinary, page 145. 



,. ditto, with Sympiesometer, 181. 



ditto, Negretti and Zambra's Board 



of Trade Standard, 15. 

 ditto, Marine, page 11. 

 ,, Miners', page 144. 



Barometers, Mountain, pages 10, 11. 



Negretti and Zambra's ditto, 11. 

 ditto, Gay Lussac's, 13, 14. 

 ditto ditto Standard. 14. 

 Negretti and Zambra's Long 



Range, Glycerine, page 18. 

 Negretti and Zambra's Short Tube 



Mountain or Balloon, 19. 

 . Glycerine, Jordan's, pages 17, 18. 

 Negretti and Zambra's Standard, 



pages 4 to 13. 

 Pediment or Upright, pages 140 to 



144. 



Registering, pages 19, 27. 



Self Compensating and with 



Electrical adjustment, see N. 



and Z.'s Meteorological Treatise. 



History of, and described, pages 



2 and 3. 

 Self -registering Mercurial. Negretti 



and Zambra's improved, 25. 

 ditto, King's, 26. 

 Stands, ornamental for, page 150. 

 Standard, pages 4 to 13. 

 Self Recording Aneroid, pages 27, 



28. 

 Surveyors' and Engineers' Altitude, 



page 296. 



Observatory Standard. 5. 

 Student's Standard, 20. 

 Barometer, Vernier, described, pages 6, 7. 

 Syphon Tube, page 11. 

 ,, Ship's and Boats', page 149. 

 McNeild's Long Range, 23. 

 ,, Range of Scale magnified, page 14. 

 Scales, comparison of English and 



Metric, page 3. 

 Yacht, page 149. 

 Water, page 17. 

 Barometrical Thermometer, page 92. 

 Baroscope, 2885. 

 Bars, Compound, 2963. 

 Bars of Antimony, &c., for testing:, 2163. 

 Barrel, Stoneware, for water, 2083. 

 Basins, Evaporating, 1958. 

 Conical Glass, 2150. 

 Berlin Porcelain, 1957, 1914. 

 Bath, Hot Air, 2334. 



Water, 2115. 



Baths, Exciting or Nitrate of Silver, 3319, 

 Batteries, Bunsen's Carbon, 2542. 

 Babington's, 2520. 

 ., Callan's Cast Iron, 2546. 

 Daniell's, 2525. 

 Electrical, 2394. 

 Galvanic, Cruikshank's, 2518. 



