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current | 22:29, 28 February 2010 | ![]() | 900 × 528 (121 KB) | Btphelps | trimmed to eliminate photo of patented tractor |
22:25, 28 February 2010 | ![]() | 900 × 904 (90 KB) | Btphelps | {{Information |Description={{en|1=C. L. Best autotractor patent of 1915}} |Source=http://www.practicalmachinist.com/vb/antique-machinery-history/ot-crawler-tractors-196276/ |Author=C. L. Best |Date=1915 |Permission= |other_versions= }} [[Category:Tractor |
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