Category:Hall Signal Company
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English: Hall Signal Company was a railway signal manufacturing company in the US. It was founded in 1871 and acquired by Union Switch and Signal in 1925.
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Media in category "Hall Signal Company"
The following 5 files are in this category, out of 5 total.
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Hall disc signal 1909.jpg 384 × 537; 150 KB
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Hall disc signals P&R Norristown Br 1901.jpg 380 × 310; 86 KB
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Hall wigwag signal ad 1916.jpg 566 × 783; 184 KB
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