Biographical sketch of John Joseph Craven, n.d.

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Biographical sketch of John Joseph Craven, n.d.

http://www.worldcat.org/oclc/38866829

The sketch, signed by W.D. Craven (b. 1846), seeks to prove that Dr. Craven was responsible for the discovery that gutta-percha, a gum from the Island of Borneo, was a suitable insulation for underwater telegraph cables. According to the sketch, John Joseph Craven demonstrated its use in 1847 by transmitting telegraph messages beneath streams and rivers. In 1848, his patent application was denied by the patent office. The sketch notes: "Taken from the printed sworn testimony heard in the U.S. Circuit Court for the Southern District of New York."

1 item (18 p.)

New Jersey Historical Society Library

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SNAC Resource ID: 7408509

New Jersey Historical Society Library

Related Entities

There are 2 Entities related to this resource.

Craven, John Joseph, 1822-1893

http://n2t.net/ark:/99166/w6699cpq (person)

Inventor, physician, and U.S. Army officer. From the description of John Joseph Craven papers, 1849-1939. (Unknown). WorldCat record id: 80582291 ...

Craven, W. D. (William Darcy), b. 1846.

http://n2t.net/ark:/99166/w6002bvx (person)

John Joseph Craven (1822-1893), an Essex County, N.J. physician, worked with Samuel Morse at the Magnetic Telegraph Company, experimenting in the construction of underwater telegraph cables. In 1851 Dr. Craven studied medicine with Dr. Gabriel Grant (1826-1912), and earned a degree at the Baltimore Academy of Medicine. Before serving as a surgeon in the Civil War, Dr. Craven practiced medicine in Newark. In 1867, he moved his medical practice to Jersey City, where he invented scientific and sani...