Fil:Early Mercedes D III Valvetrain.jpg

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Beskrivelse
English: Details of the original SOHC valvetrain for the earliest examples of the German Mercedes D.III aviation engine - note the rocker arm emerging from the "rocker box" through a slot in the box's side, later replaced with front-side rocker arm rotary driveshafts to eliminate the slotted arm aperture.
Dato
Kilde British-origin Flight Magazine, December 3, 1915 issue, page 948.
Opphavsperson Unknown, artist's name is indistinct where it was signed in the scan.

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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This UK artistic or literary work, of which the author is unknown and cannot be ascertained by reasonable enquiry, is in the public domain because it is one of the following:
  • A photograph, which has never previously been made available to the public (e.g. by publication or display at an exhibition) and which was taken more than 70 years ago (before 1 January 1954); or
  • A photograph, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954); or
  • An artistic work other than a photograph (e.g. a painting), or a literary work, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954).

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nåværende2. mar. 2015 kl. 20:58Miniatyrbilde av versjonen fra 2. mar. 2015 kl. 20:581 058 × 654 (98 KB)wikimediacommons>The PIPEUser created page with UploadWizard

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