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
- Dimensions
- 2500*1732
- Albums
- Technology / Transport / Land
- Visits
- 1220
- Downloads
- 56