A circular on the warming and ventilation of school houses and churches by the Mahony combination system
Subtitle: steam, hot water or warm air
Publisher: Mahony Warming and Ventilating Establishment
Published: 1887
Place of publication: Troy, N.Y
Language: eng
Number of pages: 34
Subjects: School buildings; Heating and ventilation; Heating; Catalogs; Equipment and supplies; Ventilation; Furnaces
Other titles: Warming and ventilation.
Notes: Cover title: Warming and ventilation.

Catalog issued in 2 states with variation in cover ill.