File:El inventor Adrián Álvarez en el Lago de la Casa de Campo - 1932.jpg

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Español: El 24 de octubre de 1932 Adrián Álvarez Ruiz llevó a cabo las pruebas de su generador de aire por tiempo indefinido en el lago de la Casa de Campo de Madrid. El tanque submarino en el que se desarrollaron las pruebas se situó, adornado con la bandera republicana, en el centro del lago. Álvarez Ruiz se introdujo en su interior.
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Source Memoria de Madrid
Author Servicio Fotográfico Municipal de Madrid

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Date/TimeThumbnailDimensionsUserComment
current14:29, 28 June 2016Thumbnail for version as of 14:29, 28 June 2016958 × 701 (96 KB)Alonso de Mendoza (talk | contribs)Cropped 4 % horizontally and 7 % vertically using CropTool with precise mode.
17:06, 24 January 2015Thumbnail for version as of 17:06, 24 January 20151,000 × 750 (110 KB)Discasto (talk | contribs)User created page with UploadWizard

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