File:Hall wigwag signal ad 1916.jpg
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Summary
| Description |
English: Advertisement for Hall Switch and Signal Company, USA. The ad features a photo of a "wigwag" signal installed at a railroad grade crossing (level crossing). |
| Date | |
| Source | Railway Signal Engineer. Vol. 9, No. 12. December 1916. Advertising section, p. 27. (Chicago: Simmons-Boardman Publishing Co.) |
| Author | Hall Switch & Signal Co. |
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:45, 21 September 2013 | | 566 × 783 (184 KB) | Caseyjonz | =={{int:filedesc}}== {{Information |Description={{en|1=Advertisement for {{w|Hall Signal Company|Hall Switch and Signal Company}}, USA. The ad features a photo of a {{w|Wigwag (railroad)|"wigwag" signal}} installed at a railroad {{w|grade crossing}} (l... |
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