LABORATORY SUPPLIES AND CHEMICALS 



229 



3582 (c) 



3583 



3582(c) OVEN, Sargent's Electric, patented Jan. 6th, 1914; electrically heated and 

 automatically controlled, it may be set for any desired temperature 

 between 50C and 160C, and is accurate to within 1C. The chamber 

 of the oven is 10 inches high, 12 inches wide and 10 inches deep. The 

 oven is made of an asbestos compound and bound with metal and may 

 be connected to the usual lamp socket by a plug and cord. The 

 units are of the replaceable type and in case of accident may be renewed 

 in a few moments without the use of tools. The working chamber 

 has three shelves, of which the two upper are of approximately the 

 same temperature and are usable for constant temperature work, such 

 as coal analysis, while the bottom shelf being close to the heating 

 units, may be used for rapid evaporations where the temperature is 

 of no consequence, as in inorganic work. 

 Arranged for 110 or 220 volts, direct or alternating current. 

 Price, complete with thermometer, six foot cord and plug and 



directions for operating $27.50 



Extra heating units, each 1.00 



Resistance wire on spools, sufficient for rewinding many heating 



units. Per spool 1.50 



In ordering, please state voltage desired. 



3583 OVEN, Celeritas, Electric; constructed of Asbestos Board, and with 

 heavy brass binding, finished in keeping with our regular stand- 

 ard apparatus. The regulation is positive and the control within 

 one degree. The range at which the Oven can be used is from 

 50 degrees to 200 degrees Celsius. Consumption is 5 amperes. 

 Can be used with ordinary socket on either alternating or direct 

 current. A feature is that the contact points are outside the Oven. 

 This eliminates any possible danger when using a combustible 

 substance. 



Heating units are independent and can be renewed, but this will 

 hardly be necessary so long as ordinary care is taken of the Oven. 

 Electrical heat does not require draft. In fact, these changes are 

 detrimental to all heating units. Proper ventilation at the top is 

 all that is necessary. 



For 110 volts, either Direct or Alternating Current, size, 10x10x12 



inches wide, with 6 feet cord and plug $40.00 



Can also be furnished for 220 Volts. 



