File:CRW-falsepos-tesla-valve-patent.png
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Drawings from US Patent 1,329,559, Valvular Conduit (patented February 3, 1920): a one-way fluid conduit that uses internal cones and baffles to resist reverse flow.
Source: https://patents.google.com/patent/US1329559A Author: Nikola Tesla License: Public domain (patent published 1920)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:27, 2 June 2026 | | 2,320 × 3,408 (71 KB) | Louis (talk | contribs) | Drawings from Nikola Tesla US Patent 1,329,559 (Valvular Conduit, 1920). Source: https://patents.google.com/patent/US1329559A . License: public domain (published 1920). |
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