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English: Mechanism of a Union Switch and Signal style H-H2 signal with an inspection date of 6-10-44. The lamp and reflector assembly has been removed from the back of the mechanism, exposing the sector and the colored roundels inside. Light shining in through the front lens of the mechanism illuminates the red roundel. The red roundel is in the center and is the one displayed when no power is applied. Applying power will swing the sector either left or right to illuminate the yellow or green roundels. This mechanism was recovered from a signal along the Hoover Nature Trail, formerly the Rock Island Railroad, in West Branch, Iowa.
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Author Douglas W. Jones
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Public domain This work has been released into the public domain by its author, Douglas W. Jones. This applies worldwide.

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Douglas W. Jones grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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15 April 2009

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Date/TimeThumbnailDimensionsUserComment
current 19:01, 1 February 2012 Thumbnail for version as of 19:01, 1 February 20122,160 × 1,558 (438 KB)W.Rebelclear background
03:39, 16 April 2009 Thumbnail for version as of 03:39, 16 April 20092,160 × 1,558 (813 KB)Douglas W. Jones{{Information |Description={{en|1=Mechanism of a Union Switch and Signal style H-H2 signal with an inspection date of 6-10-44. The lamp and reflector assembly has been removed from the back of the mechanism, exposing the sector and the colored roundels i
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