OP METEOEOLOGICAL INSTRUMENTS. 



43 



FIG. 167. 



FIG. 159. 



FIG. 162. 



the ultimate rude combination, however, of these, from commercial competition has 

 brought an unmerited distrust on the design, and hence its recent unpopularity. 

 As regards the hygrometer, however, the simplicity and efficiency of the wet and 

 dry bulb has subsequently caused it to supplant almost every other form. The 

 following brief list, therefore, combines only instruments in which the desire of the 

 Doctor is fully carried out, excepting that the above-named hygrometer (wet and 

 dry bulb) is advised and its use recommended as a separate instrument. 



159. Circular or Dial Barometer^ in rosewood, walnut, oak, and mahogany, either 



plain or elegantly carved to any style of furniture or architecture, for halls, 

 libraries, etc. (fig. 159) . . . 5 5 to 21 



160. Ten-inch Dial Barometer, handsomely inlaid with buhl work, plate-glass over 



dial, and attached thermometer (Jig. 160, p. 44) . 550 



162. TEN-INCH DIAL BABOMETER, Egyptian pattern as (fig. 162), very chaste, in 

 rosewood, walnut, oak, etc., with plate-glass over dial and bold thermometer 



440 



