RARE Book DEPT,
XxbH 827 .»P22M
Parker, John R Marine telegraph ... The marine telegraphic flags are so composed, as to enable vessels at sea to converse ... Boston, April, 1827. CBoston] J.B.Clough, printer ,Custom—House Street. [1827]
broadside. col.illus. 52xh0.5cm.
Sheet explaining the use of Elford's code of marine signals, with a list of the vessels registered at the Boston station, with their numbers.
Signed at bot- @ tom,"N°561. J.R. Parker."
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