Describes vehicle which consists of tractor or locomotive part and trailer; two parts may each be used quite independently, but may be also joined together by one man, in course of 1 or 2 minutes, to form sixwheeled vehicle; coupling used for joining body to tractor takes form of ball and socket, and is mounted on rear of tractor.
A coupling for road wagons
Engineer
Engineer ; 135 , n 3515
1923
2 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1898
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