Johnson system of temperature and humidity control
By: Johnson Service Company
Publisher: Johnson Service Company
Published: 1927
Place of publication: Milwaukee, Wisconsin
Language: eng
Number of pages: 79
Subjects: Catalogs; Heating; Control; Equipment and supplies; Commerce; Directories; Heating apparatus; Trade catalogs; Johnson Service Company
Notes: "A.I.A.--30-F-2" --page 1 of cover.

Includes index.