The Pamphlet Collection of Sir Robert Stout: Volume 41

Class 63.—Telegraphic Apparatus and Processes

Class 63.—Telegraphic Apparatus and Processes.

172 Smith, J. M., 17 Hunter-st., Sydney.—Scape or patted wheels for telegraphic instruments.

173 Superintendent of Telegraphs, Sydney.—Telegraphic, philosophic, and scientific instruments; torpedo apparatus.