114 BENJ. PIKE'S, JR., DESCRIPTIVE CATALOGUE. 



Fig. 592. 



Figs 593,594. Self- registering thermometer (Fig. 592) for ex- 

 treme heat or cold, with index, extra large size, 

 12 inches long. Price, $3.00. 



Thermometer for Sugar Boiling. (Figs. 593 and 

 594.) This consists of a thermometer usually 

 3 or 4 ft. long, the graduations being confined to a 

 space of about twelve inches long at the upper 

 end of the instrument, allowing the longer part 

 and bulb to be immersed in the boiling sugar. 

 The thermometer is graduated to 270 degrees or 

 upwards, and is mounted in a frame of wood or 

 brass, and having an index which may be set at 

 any degree required for the heat to be maintained 

 at. Price, best brass case instrument, 

 4 feet long, 



mahogany case instrument, 

 4 feet long, 



t( (( Q 



" " " without in- 

 dex, 3 feet long, 



$7.00. 

 $5.50. 



$6.00. 



$4.50. 



$4.00. 



Gothic Mantel Thermometers. The author ma- 

 nufactures these in a great variety of styles and 

 mounting, bronze, antique bronze, green bronze, 

 gilt, embracing over twenty-five different patterns, 

 most of which are very elegant ; and the. thermo- 

 meters being manufactured under his immediate 

 superintendence, can be relied on for accuracy. 

 A few of the patterns are represented on the two 

 following pages. 



