CH Patent: CH-1,360
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Appareil perfectionné pour la production rythmique de courants électriques
Advanced Apparatus for the Rhythmic Production of Electric Currents
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Patentee:
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| Charles Langdon-Davies (exact or similar names) - Surrey, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 01, 1889 |
| Granted: |
Nov. 16, 1889 |
Espacenet patent
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Joel Havens
"Vintage Machinery" entry for Langdon-Davies Electric Motor Co.
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Description: |
| This is a Swiss patent. |
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