Observations on telegraphic experiments. Or the different modes which have been, or may be adopted for the purpose of distant communication
Series: Eighteenth century -- reel 7210, no. 08.
Published: 1795
Place of publication: [London?
Language: eng
Format: Microform
Number of pages: 20
Notes: Dedication signed: J. Gamble.

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 7210, no.08).