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Collection Reference Number GLC03959.03
From Archive Folder Documents Relating to the 1870s 
Title John Ericsson to Franklin Hanford discussing torpedo trials and the science that has produced successful results
Date 25 August 1879
Author Ericsson, John (1803-1889)  
Recipient Hanford, Franklin  
Document Type Correspondence
Content Description Clerical copy. Reports that he has recommended the Bureau to remove the Ordnance Scow from Sandy Hook because it cannot sustain heavy weather. Discusses the torpedo trials and states they have accomplished what was intended, "ascertaining if the explosive energy of powder gases can be substituted for compressed air in expelling submerged torpedoes. The result is more than successful, it is brilliant!" Explains the scientific and mechanical workings that have produced this result. Addressed to Hanford, Lieutenant Commander, Inspector of Ordnance, Navy Yard, New York.
Subjects Invention  Inventor  Navy  Science and Technology  Military History  Submarine  Maritime  
People Ericsson, John (1803-1889)  Hanford, Franklin (fl. 1879)  
Place written New York, New York
Theme Science, Technology, Invention
Sub-collection The Gilder Lehrman Collection, 1860-1945
Additional Information Ericsson, a Swedish inventor who moved to England, invented an early locomotive, the hot-air engine, and the torpedo boat. He also engineered ships and submarines and was the designer of the Civil War ship, The Monitor, which was the first modern naval war vessel.
Copyright The Gilder Lehrman Institute of American History
Module Civil War, Reconstruction and the Modern Era: 1860-1945