A treatise upon the telegraphic science
Subtitle: with some remarks upon the utility of telegraphs, and a comparaitve view of the advantages of the numerical system over the l-e-t-t-e-r-i-n-g plan, as adapted to the semaphoric telegraph
By: by John R. Parker.
Contributors: Miscellaneous Pamphlet Collection (Library of Congress); YA Pamphlet Collection (Library of Congress)
Publisher: Dutton and Wentworth
Published: 1835
Place of publication: Boston
Language: eng
Number of pages: 16
Subjects: Signals and signaling.; Merchant marine -- Signaling.
Notes: Checklist Amer. imprints 33567