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File:Victoria mine Taylor trompe interior of air chamber 3.png

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Français : Vue de l'intérieur de la chambre de tranquillisation, vers la sortie d'eau, photographiée avant la mise en service du compresseur, Victoria Mining Co., 1906
English: View of interior of air-separating chamber looking toward discharge end before compressor in operation, Victoria Mining Co., 1906.
Date
Source Hydraulic air compressors, published by the United States Department of the Interior
Author Leroy E. Schulze

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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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current20:47, 25 June 2018Thumbnail for version as of 20:47, 25 June 20181,016 × 1,388 (1.15 MB)Borvan53 (talk | contribs)User created page with UploadWizard

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