Published Resources Details Letters Patent
- Propelling Vessels: Improvements in Machinery for Propelling and Guiding Vessels on Land and Through Air and Water
- 15 October 1897, 368-369 pp
Specification of Patent No. 3359, 1st March 1878.
"Specification in pursuance of the conditions of the Letters Patent filed by Herbert John Hadden in the Great Seal Patent Office on the 1st March 1878.
Herbert John Hadden, of the Firm of Herbert and Company, Patent Agents, of 67 Strand, in the City of Westminster, Civil Engineer. "Improvements in Machinery for Propelling and Guiding Vessels on Land, and Through Air and Water." A communication from abroad by Louis Brennan, of Fitzroy, in the Colony of Victoria, Engineer, and William Calvert, of Melbourne, in said Colony, Printer."