Kept from en.wikisource.org · 1 file · 103 KBCall number TES PT1889.01
Provenance
- Source
- en.wikisource.org
- Retrieved
- 1 October 2026
- Source terms (summary)
- Wikisource: text under CC BY-SA; terms of use apply
- Rights
- Public domainPatent text by Tesla, who died in 1943.Basis: author death year 1943, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.
- Formats
- HTML
- Fingerprint
99db500ce3809503sha256 of the file (64 characters). Any change to the file changes this code.d412f2ccf2bea78c f905e70c93185130 f9ebce076093c6f4 - Cite as
- Nikola Tesla, Canadian patent 33317 (1889). Long Keeping, call number TES PT1889.01. https://longkeeping.com/nikola-tesla/canadian-patent-33317/
Unchanged since collected
At the last check, on 2 October 2026, all 903 originals, this work's file among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.
Notes on this copy
- #9Saved from Wikisource without a pinned revision number; the revision is recorded inside the file itself.