LABORATORY SUPPLIES AND CHEMICALS 



181 



2914 



2914 FURNACE, Combustion, Fletcher's. The burners are on the outside of 

 the furnace in front and are clear from falling dirt. There is no iron 

 work to rust, brass being the only metal used in the furnace. 



Length, inches 12 24 



Each $30.00 60.00 



Extra cover blocks, each $0.50 



2915 



2915 FURNACE, Combustion, Fletcher's, for very high temperatures. Heats a 

 1-inch iron tube to softness in ten minutes, requiring for this purpose 

 a foot blower or other blast. It may also be used without blast, when 

 ordinary high temperatures are desired. 



Length, inches 12 18 24 



For blast, with adjustable flame length $15.00 20.00 22.50 



As above, without adjustable flame length 13.00 18.00 20.00 



