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Filter: FORMAT_TYPE of drawings
Filter: Subject of tractors
| Date: | 12 16 1947 |
|---|---|
| Description: | First place winning design in blue for a 3 cent Wisconsin centennial stamp, which features a farming theme, including a tractor with the word "Forward" on ... |
| Date: | 03 19 1947 |
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| Description: | Diagram showing complete hydraulic system for the O-4 tractor. |
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