Brett and Little's improvements in electric telegraphs
Publisher: [s.n.]
Published: 1847
Place of publication: London?
Language: eng
Number of pages: 14
Other titles: The patent journal, and inventors' magazine.
Notes: Cover title.

Detached from: The patent journal, and inventors' magazine, no. 65 (Aug. 21, 1847).

Pages numbered: 282-286, 310-314, 341-342.