File:LC-DIG-NPCC-19393 (20661542679).jpg

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Description LC-DIG-NPCC-19393: U.S. Naval Observatory, Washington, D.C. Shown: clock, switchboard, chronograph time recorder, between 1909-19. (8/21/2015).
Date
Source LC-DIG-NPCC-19393
Author National Museum of the U.S. Navy

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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/20661542679 (archive). It was reviewed on 12 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

12 July 2018

Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.

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Date/TimeThumbnailDimensionsUserComment
current13:33, 12 July 2018Thumbnail for version as of 13:33, 12 July 20185,181 × 3,750 (1.81 MB)Hiàn (alt) (talk | contribs)Transferred from Flickr via #flickr2commons

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