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File:Mittelholzer-kano.jpg

Summary

Description

The city of Kano, Nigeria, in December 1930. Air photo taken by Swiss pilot and photographer Walter Mittelholzer (1894-1937).
Date 1930-12 (creation), 1932 (publication)
Source Own scan from book "Tschadseeflug" by Walter Mittelholzer, published in 1932 in Switzerland (publisher: "Verlag Schweizer Aero-Revue" in Zürich).
Author Walter Mittelholzer (1894-1937)

Licensing

Public domain This image (or other media file) is in the public domain because its copyright has expired.

This applies to Australia, the European Union and those countries with a copyright term of life of the author plus 70 years.

Dialog-warning.svg 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 a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years, Russia has 74 years for some authors. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement the rule of the shorter term.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
Public domain This work is in the public domain in the United States because it was first published outside the United States (and not published in the U.S. within 30 days) and it was first published before 1978 without complying with U.S. copyright formalities or after 1978 without copyright notice and it was in the public domain in its home country Switzerland on the URAA date (1996-01-01}).

For background information, see the explanations on Non-U.S. copyrights.
The Swiss copyright on Mittelholzer's work's expired at the end of 1987, since Switzerland had a copyright term of 50 years p.m.a. until 1993, and the extension to 70 years p.m.a. made in 1993 did not restore already expired copyrights.
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