Original 1945 industrial trade vintage catalog for WM. HIERGESELL & SONS. (HERCO). Main office and plant were located at 293 Pearl Street, New York, NY. (Since 1898).

Manufacturers of Precision Instruments for the Chemical and Process Industries.

Products include Herco Hydrometers and Thermometers for Industrial and Laboratory Requirements.

Has product images, description and applications to provide product details.

Unbound from a large rare 1945-1946 Process Industries Catalog, this unique old one-page technical brochure would display beautifully matted and framed. Awesome graphics. A fabulous addition to your retro industrial laboratory equipment library.