US Patent: 444,245
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| Electric annunciator
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Patentee:
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| August Hormel (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 29, 1890 |
| Granted: |
Jan. 06, 1891 |
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Jeff Joslin
Vintage Machinery entry for Hormel-Wagner Co.
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Description: |
| The invention is a device for "hotels and dwelling-houses; and the invention consists of an annunciator having a pivoted elbow-lever, which when the same is released from an armature by an electric current, drops and shows the number-plate..." |
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