DescriptionDiagram of Schiller Station Mercury Vapor System.jpg
English: Diagram showing the mecury vapor turbine power generation system at Schiller Station, Portsmouth, New Hampshire, USA. From the booklet "...your Visit to Schiller Station", produced by the Public Service Company of New Hampshire.
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publicity booklet designer is unknown, image taken by Dr00bie
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.