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- Author(s):
- Billings, John S. (John Shaw), 1838-1913
- Publication:
- New York : Engineering & Building Record, 1889
- Subject(s):
- Ventilation
Heating
- Author(s):
- Billings, John S. (John Shaw), 1838-1913
- Publication:
- New York : The Sanitary engineer, 1884
- Subject(s):
- Ventilation
Heating