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Results for Otis Brothers
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- Elevator Plaque

- A brass plaque that says “OTIS - Electric Controller Patented march.31.1891.March.15.1892 - Otis Brothers & Co New York. U.S.A.”
- Format: image/article
- A technological tour of the Biltmore Estate
- This tour of “America's Castle” explains the technological features George Vanderbilt incorporated into his turn-of-the-century home.
- Format: series (multiple pages)