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- An advertisement from 1925.
- CATERPILLAR TRACTORS.
- From the vintage advertisement collection.
- A vintage Caterpillar Company advertisement.
- The First 75 Years of the Woodward Governor Company's History.
- An advertisement from 1925.
- CATERPILLAR TRACTOR ADVERTISEMENT, CIRCA 1925.
- A vintage machine shop manufacturing history project.
- EMD history, circa 1945 advertisemnt.
- EMD advertisement.
- PATENT NUMBER 1,180,445. CIRCA 1914.
- LARGE EXPERIMENTAL WIND TURBINES.
- PATENT NUMBER 1,180,445
- This way to the man cave with Nicholas C. Point.
- 74