9A
VOLUME 2 0, NO. 11, NOVEMBER 1 9 4 8
With this SAFE HEAT... idVS SI 103-SV19
Your personnel are protected against injury from fire or explosion . L / a n g e r of fire or explosion from hot flames has been completely dispelled with the use of Glas-Col Heating Mantles. These mantles have electric resistance wires, safely buried under layers of glass fabric to eliminate all possible danger. Yet the glass fabric provides practically no heat insulation, making it easy to stop the reaction quickly by turning off the heat. Glas-Col Heating Mantles have become the standard for laboratory use because they are carefully designed to meet every need of the laboratory technician. Larger model mantles are available with rigid aluminum housing to prevent damage caused by rough handling. Every one is designed to meet laboratory needs and has proved its value through years of use in laboratories all over the country. Write for Bulletin 3, describing the complete line of Glas-Col Electric Heating Mantles. G l a s - C o l A p p a r a t u s C o m p a n y , Inc., Actual tests prove that the concealed Dept. AC, 1700 South Seventh Avenue, wiring of Glas-Col Mantles does not Terre Haute, Indiana. cause fire even when impregnated with inflammable fluids. U. S. Patent N o . 2 , 2 3 1 , 5 0 6
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