•IB.-*
HEATING MANTLES
Series M Heating Mantle with top
f J) jor
charge
^Jlasstcare
(Courtesy General Mills Research Laboratories, Minneapolis, Minn.) Glas-Col Heating Mantle on pivoted cradle allows a 50-liter flask to be emptied easily without removing it from the stand.
Series M Mantle in tripod support
It is now possible to provide controlled heating of liquids in large glassware by using large-size Glas-Col Heating Mantles. Research laboratories, like General Mills, have had many months of successful experience in producing chemical reactions in glassware of 50-liter capacity. Series M Glass-Col Heating Mantles solved the problem . . . supporting heavy flasks . . . heating the flask evenly.
Mantle with two powerstats
Glas-Col Heating Mantles have the heating element embedded in layers of glass fabric. This protects the glass wall from thermal strain . . . reduces fire hazard. Heat input is greatest at bottom of mantle . . . prevents charring of valuable material. Exact heat input is easily controlled. Glas-Col Heating Mantles are available in many sizes and shapes. Write for Bulletin 3.
(Courtesy Genera I Mills Research Laboratories, Minneapolis, Minn.)
U. S. Patent N o . 2,282,078
U. S. Patent N o . 2,23 1.506
50-Liter flask in Glas-Col Heating Mantle. Note aluminum housing which gives added support for heavy flasks. * Kef«T to sirticlf. "PmviiiK OitMiiiml I'roc^scs in 1 JITK«
