US Patent: 251,141
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| Machine for grinding pulleys
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Patentee:
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| Frank Morell Simmons (exact or similar names) - Detroit, MI |
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Patent Dates:
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| Applied: |
Aug. 23, 1881 |
| Granted: |
Dec. 20, 1881 |
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Jeff Joslin
Vintage Machinery entry for Detroit Emery Wheel Co.
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Description: |
| This machine was seen in an 1887 catalog as "The Simmons' Pulley Grinder". The catalog was from the Hart Emery Wheel Co. of Hamilton, Ontario, but the machine in the drawing is labeled with the name of the Detroit Emery Wheel Co. |
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