Original 1930 road construction and maintenance equipment trade vintage catalog for the COLPHALT COMPANY OF OHIO.  Main office and plant was located in Cleveland. OH.

Manufacturers of Bituminous Emulsions and Waterproofing Expansion Joints.

Products include Colphalt, the superlatively fine cold process asphalt emulsion for making and repairing heavy traffic roads, and of the Corkin Joint, the waterproofed expansion joint that safeguards concrete highways against their tendency to breakdown from within when undergoing radical temperature changes.

Has product images, description, application and specifications provide product details.

Unbound from a large rare 1930 Municipal Index, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro industry library. Pages are loose.