Ventilation for offices, stores, factories, public buildings, theaters, restaurants, houses, etc
Publisher: [ILG Electric Ventilating Company]
Published: 1920
Place of publication: Chicago, Ill.]
Language: eng
Subjects: Catalogs; Ventilation; Equipment and supplies; ILG Electric Ventilation Company
Notes: Title from cover.

"A.I.A. file no. 30d1."