1889 Patent No. 6675 electrically driven fans, Watel, Blackman Ventilating Co.
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A. D. 1889, No. 6675. "Improvements in Electrically-driven Fans".
"I, Henry Garwood Watel of the Blackman Ventilating Company Limited, 63 Fore Street in the City of London, Engineer, do hereby declare the nature of this invention to be as follows: My invention relates to the dricing of fans by electricity applied in such a manner that there is no strain of bands or other connections for transmitting power for consequent friction of bearings, nor is there any torsive stain on the shaft..."
2 pages of text + 2 drawings which have been disbound from a larger volume.
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Listing Type | Gallery Listing |
Listing ID# | 208221097 |
Start Time | Sat 11 May 2024 13:04:23 (EDT) |
Close Time | Mon 10 Jun 2024 13:04:23 (EDT) |
Starting Bid | Fixed Price (no bidding) |
Item Condition | Used |
Bids | 0 |
Views | 17 |
Dispatch Time | 3 Days |
Quantity | 1 |
Location | United Kingdom |
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