Original 1941 grain milling trade vintage catalog for the ZELENY THERMOMETER COMPANY, INC. (Successor to The Western Fire Appliance Works). Main office and plant were located at 9 South Clinton Street, Chicago, IL.

Manufacturers and Installers of Zeleny Thermometer System. A Temperature System for Grain Elevators.

Accuracy and dependability are well established attributes of the Zeleny Thermometer System, operated on the exacting thermocouple principle, and is designed to give you precision temperature readings of the grain stored in your tanks. With a Zeleny, no 'hot spots' can escape your attention.

Has product illustration, description, applications and specifications to provide product details.

Unbound from a large rare 1941-1943 Grain Milling Catalog File compilation, this unique old one-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro grain milling library.