Original heating trade vintage catalog for GENERAL ELECTRIC COMPANY. Air Conditioning Division was located in Bloomfield, NJ. Manufacturers of Weathertron cooling and heating for homes, stores, offices and industrial premises. Operates on the heat pump principle. Cools without water, heats without fuel. Illustrated diagram shows the operation. New flexibility in planning for every type of building design. Dimensions, cross section of YR-50, specs provided. Disbound from a large 1954 heating catalog, this unique old four page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Pages are detached and may contain a small amount of residual glue on edge.