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![](https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fwww.homemadetools.net%2Fforum%2Fshowthread.php%3Fp%3D139004%23post139004&media=https%3A%2F%2Fs3.amazonaws.com%2Fhmt-newsletter%2Fhmt_avatar_200.jpg&description=Vintage Work Crew Photos by volodar - Re 'railroad car' photo: I like the simple jack near bottom left - have a bunch of similar but square based, 'some kind of alloy' stands from metal dumpster. 5/8"-11 threaded rod & nut added. Surprised by the steepness of the pictured thread. Remarkable that a device so simple and logical will lift a corner/side/end of a boxcar, if indeed that's how it could have been used. Ramp, wedge, screw - principles wonderful and indispensable. "Pin It")
Re 'railroad car' photo: I like the simple jack near bottom left - have a bunch of similar but square based, 'some kind of alloy' stands from metal dumpster. 5/8"-11 threaded rod & nut added. Surprised by the steepness of the pictured thread. Remarkable that a device so simple and logical will lift a corner/side/end of a boxcar, if indeed that's how it could have been used. Ramp, wedge, screw - principles wonderful and indispensable.
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