Practical rules for making telegraphic signals with a description of the two-armed telegraph invented in 1804
Record Details
Publisher: | Royal Engineers Department |
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Pub Date: | 1822 |
Pages: | 53p |
Holdings
Order |
Call Number
627.725.2(42)"1822":094
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Copy
1
|
Item ID
PBC1098
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Material
RARE-BOOK
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Location
Onsite storage – please ORDER to view
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