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- GLC#
- GLC00722.05-View header record
- Type
- Documents
- Date
- 1857
- Title
- General signals
- Place Written
- s.l.
- Pagination
- 2 p. : Height: 32 cm, Width: 20 cm
- Primary time period
- National Expansion and Reform, 1815-1860
- Sub-Era
- Age of Jackson
Explains a secret numeric code to be used when transmitting signals between ships.
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