Photo sizes
✔ XS - extra small (432 x 299) ✔ M - medium (792 x 548)
✔ L - large (1008 x 698)
Original
Rear elevation of Pioneer and detail of valve shifter; valve face and valve. (Drawing by J. H. White.)
- Author
- The Project Gutenberg EBook of Smithsonian Institution - United States National Museum - Bulletin 240, by Anonymous
- Posted on
- Monday 1 June 2020
- Albums
-
- Technology / Transport / Land
- Visits
- 519
- Downloads
- 5