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| Date: | 1911 |
|---|---|
| Description: | Men use a "Big Four" gas tractor to pull a Buffalo-Pitts tractor out of a hole at the Winnipeg tractor contest in Canada. The "Big Four" tractor was built ... |
| Date: | 1911 |
|---|---|
| Description: | Man plowing with a Holt crawler tractor, no. 1609, at the Winnipeg tractor contest in Canada. The tractor was built by the Holt Manufacturing Company of St... |
| Date: | 1911 |
|---|---|
| Description: | Men in suits and hats follow along as a man plows with a Holt crawler tractor at the Winnipeg tractor contest in Canada. Another man in the foreground is p... |
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