OF METEOEOLOGICAL INSTRUMENTS. 



49 



FIG. 209. 



FIG. 207. 



FIG. 205. 



FIG. 210. 



204* Six's THEEHOMETER, as No. 204, on improved porcelain scale for out-door use, 

 10 inch., 1 5 ; 12 inch, or 14 inch. . . . 1 10 



205. Pedestal Thermometer with ivory scale, on neat ehony base (fig. 205), with 



glass shade and German silver mountings, suitable for mantle-pieces, libraries, 

 or bed-rooms, six inch, 7s. 6d. to 9s. 6d. ; seven inch. . 10 6 



A most convenient form of thermometer, being movable at pleasure to any part of the house. 



206. PEDESTAL THERMOMETER, ivoiy on papier mdche, on ebony base with glass 



shade, graduations, etc., as No. 205, very beautiful . . 15 6 



207. PEDESTAL THERMOMETER, ivory, handsomely carved, with magnetic sun-dial, 



arranged to order for any part of the globe (fig. 207) . 1 10 



208. PEDESTAL THERMOMETERS in various elegant designs, handsomely carved in 



ivory, with ebony base and glass shade (fig. 208), p. 50 1 1 to 3 3 



W I N DOWThTERMOMET EPS, 



209. Window Thermometer, ivory scale, enclosed in glass cylinder, mounted to 



revolve to any angle of sight, in mahogany frame, with copper roof for 

 protection from rain (fig. 209), 8 inch, 15s. Cd. ; 10 inch. 110 



210. WINDOW THERMOMETER (Six's self-registering), showing past heat and cold 



during absence, as well as present temperature, very clear and distinct, on opal 

 or improved porcelain, with indelible black figures and divisions, on mahogany 

 bracket to revolve to any required angle (fig. 210), 10 inch., 1 15s. ; 12 inch, 

 or 14 inch. . . . . . . . 200 



_ As an out-door registering window thermometer this arrangement leaves nothing to be 

 desired. See description of this principle p. 17. 



E 



