Patent · 1888 · age 32

Canadian patent 30172

Kept from en.wikisource.org · 1 file · 86 KBCall number TES PT1888.02

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: 668618077018b90d71f2a1a846a3040ee80647a98cc0ed64f00490015739aceesha256 of the file (64 characters). Any change to the file changes this code.
Cite as: Nikola Tesla, Canadian patent 30172 (1888). Long Keeping, call number TES PT1888.02. https://longkeeping.com/nikola-tesla/canadian-patent-30172/

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.

Original

wikisource_Canadian_patent_30172.html

Open reading copy 83 KB Exact filePublic domain

Reading copy: the saved page with its pictures left out. A picture appears in the reading copy only once the library has recorded its licence, the licence is on the library's pass list, and it has been checked for a likeness. See its pictures at the source (another site). Exact file: the page byte for byte; its pictures do not load here.

Files

First pass, not a clearance.

Links inside these saved pages were written for the site they were saved from; some lead nowhere here.

File	Format	Size	Source	sha256	Label
wikisource_Canadian_patent_30172.html exact filemain	HTML	86 KB	en.wikisource.org	668618077018b90d71f2a1a846a3040ee80647a98cc0ed64f00490015739acee	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.Licence: CC BY-SA 4.0 (another site). Attribution: Wikisource contributors (another site).This is Wikisource's licence for its own contributions to this saved page, such as layout and notes. The work's text is labelled public domain, as this file's label shows.