5th March 1929, Page 70
5th March 1929
Page 70
Page 70, 5th March 1929
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For Travelling On Soft Or Hard Ground.
A Résumé of Recently Published Patent Specifications, p ATENT No. 304,864, by Nicholas Stranssler, a Roumanian, and the Super Tractor Co., Ltd., describes a form of wheel on......