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Filter: Subject of engineering
| Date: | 1896 |
|---|---|
| Description: | 40 H.P. experimental tractor. Original caption reads: "40 H.P., Built in 1896." |
| Date: | 07 19 1927 |
|---|---|
| Description: | Left side view of Speck's cotton picker, taken for International Harvester's Engineering Department. |
| Date: | 1927 |
|---|---|
| Description: | Front view of "Speck's cotton picker," taken for International Harvester's Engineering Department. |
| Date: | 1925 |
|---|---|
| Description: | Photographic illustration of two men cutting wood with a saw powered by horses on a treadmill. The horses and treadmill were added by an artist's drawing. |
| Date: | 1933 |
|---|---|
| Description: | Three-quarter right side rear view of a tractor prototype. On the right front front side of the tractor is a sign that reads: "M'f'd by The Ohio Mfg. Co., ... |
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