Picture-of-solar-compass-patent-burt-1836.jpg (671 × 528 pixels, file size: 36 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 09:28, 7 July 2020 |
![]() | 671 × 528 (36 KB) | Pbsouthwood | Uploaded a work by William Austin Burt from US patent no. 9428X, W.A. Burt solar compass. Patented 25 February 1836. with UploadWizard |
Picture-of-solar-compass-patent-burt-1836.jpg (671 × 528 pixels, file size: 36 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 09:28, 7 July 2020 |
![]() | 671 × 528 (36 KB) | Pbsouthwood | Uploaded a work by William Austin Burt from US patent no. 9428X, W.A. Burt solar compass. Patented 25 February 1836. with UploadWizard |