File:FreightTruckAirBrakes5.jpg: Revision history

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30 September 2015

  • curprev 22:0522:05, 30 September 2015Dnevil talk contribs 198 bytes +198 A 1/2 inch width of the aluminum pipe was parted off on the lathe. Here it has been [https://en.wikipedia.org/wiki/Marking_blue blued] and marked for cutting. Photo by Daris A Nevil, July 2015.