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Suez Canal in February 1934. Air photograph taken by Swiss pilot and photographer Walter Mittelholzer (1894-1937).

Date 1934
Source Own scan from book "Abessinienflug" by Walter Mittelholzer, published in 1934 in Switzerland (publisher: "Verlag Schweizer Aero-Revue" in Zürich).
Author Walter Mittelholzer (1894-1937)
( Reusing this file)
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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