Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description ={{en|1=George Walther and 7 sons inspect a truck wheel on the 50th anniversary of the founding of the Dayton Steel Foundry }} |Source =Dayton Steel Foundry Newsletter-The Wheel-April 1955-50th Anniversary Edition...