File:Ragged Chutes Taylor trompe head in operation.png

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Français : Prises d'air du compresseur en marche, Cobalt Hydraulic Power Co. -l'émulsion d'eau et d'air entrant dans les multiples tuyaux de 14 pouces.
English: Compressor intake heads in operation, Cobalt Hydraulic Power Co. -water and air emulsion entering the multiple 14-inch pipes.
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 20181,348 × 1,043 (1.23 MB)Borvan53 (talk | contribs)User created page with UploadWizard

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