File:GRS Signal Symbols 1912.jpg
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Captions
Captions
General Railway Signal Co. Standard Symbols for Circuit Plans
Summary edit
| Description |
English: General Railway Signal Co. Standard Symbols for Circuit Plans |
| Date | |
| Source | Scanner |
| Author | General Railway Signal Company |
Licensing edit
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:12, 25 August 2021 | | 2,660 × 2,205 (1.21 MB) | Lexcie (talk | contribs) | Uploaded a work by General Railway Signal Company from Scanner with UploadWizard |
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