Scientific American, v. 161, n. 6, 1939
Item
- Title
- Scientific American, v. 161, n. 6, 1939
- volume
- 161
- issue
- 6
- Date Issued
- 1939-12
- Is Part Of
-
Scientific American
- Rights
- Public Domain
Linked resources
| Title | Class |
|---|---|
 100-Mile-an-Hour Anti-Aircraft Combat Car |
|
 Balloon Mines To Put The Air Out of Action |
|
 Penetrating type of bomb |
|
 Ships can carry Autogiros to Spot Submarines |
|
 Telegraphic Tape Recorder |
|
 The Asboth Helicopter |
|
 U.S. Army Lensatic Compass |