Faili:PRR rail section drawing.png
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Faili hili linatoka Wikimedia Commons. Maelezo yapo kule kwenye ukurasa wake wa maelezo unaonekana hapo chini.
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Muhtasari
| Maelezo |
English: Cross-Section of Standard Rail, one hundred pounds to the yard, as used on the Pennsylvania Railroad in the 1890s. |
| Tarehe | |
| Chanzo | Willson, Frederick Newton (1898) "Appendix page III" in Practical engineering drawing and third angle projection (PDF), New York, London: Macmillan & Co. |
| Mwandishi | Willson, Frederick Newton (1855-1939) |
Hatimiliki
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The author died in 1939, so 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 80 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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Bonyeza tarehe/saa kuona faili kama ilivyoonekana wakati huo.
| Tarehe/Saa | Picha ndogo | Vipimo | Mtumiaji | Maelezo | |
|---|---|---|---|---|---|
| sasa hivi | 01:05, 19 Novemba 2012 | | 1,800 × 1,800 (585 KB) | Jahoe | == {{int:filedesc}} == {{Information |description={{en|1=Cross-section of 100lb/yard rail used on the Pennsylvania Railroad in the 1890's.}} |date=1898 |source=''Practical engineering drawing and thi... |
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