Signals: Theory
        
        Included in this small group of documents are a description of Colonel Pasley's telegraph of 1804 and 'Observations on Signal Shapes as applied to the character of Signals Flags', 1818, by Captain Thomas Shortland (1771-1827).
                  
Administrative / biographical background
Signals: Theory - documents
      
    Administrative / biographical background
Signals: Theory - documents
Record Details
| Item reference: | SGN/D; XX(63128.1) | 
|---|---|
| Catalogue Section: | Manuscript documents acquired singly by the Museum | 
| Level: | SUB-COLLECTION | 
| Extent: | 3 items | 
| Credit: | National Maritime Museum, Greenwich, London |