Vane_signal_tower_-_Reading_RR_1890s.png
Summary
Description Vane signal tower - Reading RR 1890s.png |
English:
Illustration of a vane signal mounted on a signal tower, used by the Philadelphia and Reading Railroad in the 19th century. The vanes at the top of the tower were painted in several different colors, signifying danger (stop), caution, and safety (proceed). The vanes were illuminated at night by lanterns.
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Date | |
Source | "Octagonal Signal-tower, Philadelphia & Reading Railroad." Buildings and Structures of American Railroads. (New York: John Wiley & Sons.) Figure 113, p. 40. |
Author | Berg, Walter G. |
Licensing
Public domain Public domain false false |
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public domain
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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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