| RARE Boow | Dert,
XxbH 827 «P22M
SHIP REGISTERS--BOSTON.
Parker, John R : Marine telegraph ... The marine telegraphic flags ¢re 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. 52x0.5em.
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."
MB .