A plan for a field telegraph, &c.&c.&c
Series: Goldsmiths'-Kress library of economic literature -- no. 19492.10
Publisher: publisher not identified
Published: 1807
Place of publication: England]
Language: eng
Number of pages: 12
Subjects: Signals and signaling
Notes: Microfilm. New Haven, Conn. : Research Publications, [1978]. 1 microfilm reel ; 35 mm. (Goldsmiths'-Kress library of economic literature ; no. 19492.10) No. 17 on a reel of 31 titles.