Peoples Gas Light & Coke Co., one of Samuel Insull's least troubled concerns, last week joined the parade of corporations getting into the "next big industry": air conditioning equipment. Dr. Robert G. Guthrie, chief metallurgist of the Chicago utility, announced the invention of a new chemical compound which he calls "lamisilite." "Lamisilite" is a silicate like silica gel (which certain new air conditioners use), quartz, opal, beryl, tourmaline, garnet, mica. Like silica gel, the new material is highly hygroscopic absorbs moisture, dehumidifies air. The mother ore of "lamisilite" is a trade secret. Victor Chemical...
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