A machine differing in its creeper action, manufactured at St. Paul, Minn. (1000 w.) (89292)
The belt-rail creeper tractor
Auto Ind
1918
Ills.
Article (Journal)
English
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Trundaar tractor of the creeper type
Engineering Index Backfile | 1917
An analysis of creeper type tractor steering
Engineering Index Backfile | 1920
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