148 



NEGEETTI AND ZAMBKA, HOLBORN VIADUCT, B.C., 



ANEEOID BAROMETERS. 



FIG. 194. 



FIG. 195 



193 



194 

 195 



Aneroid Barometer, Metal Case about 5 inches diameter. Enamelled 

 Card Dial, stout Glass front, in hinged Leather Case . . .2 

 Ditto ditto, with Silvered Metal Dial (fig. 194) . 

 Ditto ditto, with Thermometer (fig. 195) 



Each. 

 s. d. 



10 

 300 

 3 10 



Flu. 196. 



FIG. 199. 



196 



Boat Aneroid, the engraving fig. 196 represents the exact size of Negretti and 

 Zambra's Pocket instrument. The metal case and the covering glass is 

 made suitably strong for the use of Captains or Pilots of small Coasting 

 vessels. Price, in Stout Case, 330 



