Scientific America, v. 157, n. 5, 1937
Item
- Title
- Scientific America, v. 157, n. 5, 1937
- volume
- 157
- issue
- 5
- Date Issued
- 1937-11
- Is Part Of
-
Scientific American
- Rights
- Public Domain
Linked resources
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|---|---|
 A single-blade variable-pitch propeller |
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 Bausch & Lomb Navy Telescopes |
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 Keuffel & Esser Navy Telescopes |
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 Multi-place Fighter XFM-I |
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 Navy Lightweight 1/2 Mile Portable Searchlight |
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 Prismatic Rifle Sight & Observers' Scope |