1894 Patent No. 19,586 pneumatic action mechanical keyboard, Franz Hanke, Berlin
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- ID# : 208221211
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- Location : United Kingdom
- Seller : allsortsofephemera (+21789)
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- Start : Mon 09 Sep 2024 03:22:25 (AEST)
- Close : Wed 09 Oct 2024 03:22:25 (AEST)
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Patent No. 19,586 A.D.1894 Improvements in Pneumatic Actions or Relays for Mechanically Played Keyboard Musical Instruments.
"I, Framz HJamle. pf 9 pt. Strassburgerstrasse, Berlin, in the Empire of Germany, Organbuilder, do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement: This invention relates to a pneumatic action or relay for keyboard musical instruments that are played mechanically, the said action or relay being operated by a partial vacuum of suction instead of by compressed air..."
2 pages of text + 1 drawing which have been disbound from a larger volume.
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Listing Information
| Listing Type | Gallery Listing |
| Listing ID# | 208221211 |
| Start Time | Mon 09 Sep 2024 03:22:25 (AEST) |
| Close Time | Wed 09 Oct 2024 03:22:25 (AEST) |
| Starting Bid | Fixed Price (no bidding) |
| Item Condition | Used |
| Bids | 0 |
| Views | 3 |
| Dispatch Time | 3 Days |
| Quantity | 1 |
| Location | United Kingdom |
| Auto Extend | No |
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