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Descrição do ficheiro
DescriçãoEarly Mercedes D III Valvetrain.jpg
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.
Data
Origem
British-origin Flight Magazine, December 3, 1915 issue, page 948.
Autor
Unknown, artist's name is indistinct where it was signed in the scan.
Licenciamento
Public domainPublic domainfalsefalse
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Public domainPublic domainfalsefalse
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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