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dsc75358.jpg
View of the periscope tube above the optics.
Picture 2 of 2.
This periscope has a focal length of 40 feet, and each foot is marked off on the periscope tube.
| Time picture taken | Sat Sep 25 11:24:48 2010 |
| Location picture taken |
Museum Galleries Wisconsin Maritime Museum Manitowoc, Wisconsin |
| Prev |
heroicrelics.org Wisconsin Maritime Museum Site Index Periscope Gallery |
Next |