File:Ahrons (1921) Steam Locomotive Construction and Maintenance Fig03.jpg
![File:Ahrons (1921) Steam Locomotive Construction and Maintenance Fig03.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Ahrons_%281921%29_Steam_Locomotive_Construction_and_Maintenance_Fig03.jpg/800px-Ahrons_%281921%29_Steam_Locomotive_Construction_and_Maintenance_Fig03.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:14, 21 October 2015 | ![]() | 2,420 × 1,776 (2.18 MB) | M0tty | remove regular noise using FFT |
18:28, 20 June 2010 | ![]() | 2,420 × 1,776 (370 KB) | Iain Bell | {{Information |description=Radial drilling machine for boiler plates |date= 1921 |source=''Original:'' Steam Locomotive Construction and Maintenance p. 12, Fig. 3<br>''Scan:'' Internet Archive – http://www.archive.org/details/steamlocomotivec00ahrorich |
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