File:AmCyc Tunnel - Musconetcong cross section - arching.jpg
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AmCyc_Tunnel_-_Musconetcong_cross_section_-_arching.jpg (685 × 571 pixels, file size: 77 KB, MIME type: image/jpeg)
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| Description |
English: Line drawing of a schematic cross section of Musconetcong tunnel in segments where the walls and ceiling require support: an arch. |
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| Date | |||
| Source | The American Cyclopædia, v. 16, 1879, p. 32. | ||
| Author | unknown artist; article by Henry S. Drinker | ||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:21, 4 January 2013 | | 685 × 571 (77 KB) | Bob Burkhardt | {{Information |Description={{en|Line drawing of a schematic cross section of Musconetcong tunnel in segments where the walls and ceiling require support: an arch.}} |Source=''The American Cyclopædia'', v. 16, 1879, p. 32. |Date=1879 |Author=unknown ar... |
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