English: The "business end" of a harpoon cannon on a steam whaler. (Digital frame grab from A. D. Kean's Whaling.)
Date
circa 1916-1919
Source
Single frame from - Whaling: British Columbia's Least Known and Most Romantic Industry of A. D.Kean ; Image is a digital frame grab from a ca. 1916-1919 film (ca. 100 years old) whose copyright has expired in Canada; the film is Whaling: British Columbia's Least Known and Most Romantic Industry, and the frame grab is used as a thumbnail for the video of the film on the YouTube channel of Library and Archives Canada. The LAC holds the only known complete print of the film and considers it to be in the public domain. Their reasoning is that the film is subject to Crown Copyright (which expires after fifty years) and was published before 1946.
This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
1. it was subject to Crown copyright and was first published more than 50 years ago, or
it was not subject to Crown copyright, and
2. it is a photograph that was created prior to January 1, 1949, or
3. the creator died prior to January 1, 1972.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.