- Imprint based on inkstamp on lower wrapper of UCLA Biomed copy: "From Air Conditioning and Refrigeration Machinery Association, Southern Building, Washington 5 D.C."
- [between 1940 and 1953?]
- Resource Type:
History and Special Collections for the Sciences Collection
You searched for: Subject Air conditioning -- History Remove constraint Subject: Air conditioning -- History Date 1947 Remove constraint Date: <span class='single'>1947</span>Start Over