File:US947608 1.png
Jump to navigation
Jump to search
Size of this preview: 800 × 357 pixels. Other resolutions: 320 × 143 pixels | 640 × 286 pixels | 1,024 × 457 pixels | 1,851 × 826 pixels.
Original file (1,851 × 826 pixels, file size: 323 KB, MIME type: image/png)
Captions
Captions
Add a one-line explanation of what this file represents
| Description |
English: Underground gasification scheme proposed by Betts (Gasification in a channel) |
| Date | |
| Source | US Patent 947,608 |
| Author | Anson G. Betts |
| Other versions |
  |
|
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
|
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:36, 18 December 2014 | | 1,851 × 826 (323 KB) | Kopiersperre (talk | contribs) | {{Information |Description={{en|Underground gasification scheme proposed by Betts}} |Source={{Own}} |Date=1906 |Author=Anson G. Betts |Other_versions={{other|US947608 2.png}}{{other|US947608 3.png}} }} {{PD-Old-100}} |
You cannot overwrite this file.
File usage on Commons
The following 2 pages use this file:
File usage on other wikis
The following other wikis use this file:
- Usage on de.wikipedia.org
