Autographic sounding machine record from the U.S. Lake Survey. In: “An Autographic Sounding Machine” by M. Meigs, 1922. The Military Engineer, Volume XIV, No. 76, p. 199-201.
459 x 640 | 70.90 KB | |
918 x 1280 | 238.33 KB | |
1566 x 2184 | 715.68 KB |
Added On | 16th October 2015 |
Viewed | 7 viewed |