34 



L. CASELLA'S CATALOGUE 



FIG. 100*. 



FIG. 120 and 120*. 



97. Aneroid Barometer, with 4|-inch. dial, in neat leather case 100 and 150 



98. ANEROID BAROMETEE, with silvered metal dial . 1 10 and 1 15 



99. ANEROID BAROMETER, with thermometer . . . , 250 



100. Aneroid Barometer, with 4|-inch. open dial, showing the interior mechanism, 



with thermometer (fig. 100, p. 33) . . . . 300 



If with stand as fig. 100*, 15s. 6d. extra. 



102. ANEROID BAROMETER, cylindrical form, more finely divided and engraved, with 



extra compensation for temperature, with or without thermometer, as supplied 

 to Her Majesty's Navy (fig. 102, p. 35) . . 440 



103. ANEROID BAROMETER, extra sensitive, with greatly extended graduations, divided 



to '001-inch, each harometric inch being equal to nearly four inches, with 

 circular thermometer and richly engraved 4|-inch. dial . 5 10 

 The extreme sensitiveness of this instrument is very remarkable. 



104. Aneroid Barometer, in bronze metallic frame with 8-inch, dial, for use at sea 



210 



105. ANEROID BAROMETER, as above, with thermometer ' , r ; . 2 15 



106. ANEROID BAROMETER, with handsome turned wood frame, oak or imitation 



of ebony, 10-inch, dial . . . . ; .. . 440 



107. Aneroid Barometer, with 18-inch, dial, very bold and handsome, for large 



halls or public institutions . . . 15 to 25 



108. ANEROID BAROMETER of superior finish, with richly engraved 4^-inch. dial, raised 



circle, and revolving index, with or without thermometer . 5 



109. Pedestals of various designs, for aneroid barometers for the mantel-piece 



7 6 to 1 1 



110. ANEROID BAROMETER, for the pocket, in maroon case, 2f-inch. by li-inch., 



finely divided and compensated, very sensitive, for indicating changes in 

 the weather, or measuring heights up to 1000 feet, with revolving index 



440 



112. Aneroid Barometer (plain), for the pocket, in neat leather case 2f inches by 

 1J, for indicating Changes of the weather or measuring heights up to about 

 7000 feet 2 10 



