Biographical entry Obry, Ludwig

Inventor and Naval officer


Ludwig Obry was an Austrian Naval officer who developed the precision gimbaled gyroscope in 1895, later known as the Obry gyroscope or Obry apparatus. This device was acquired by Robert Whitehead in 1898 and it became an integral part of his torpedo design.

Related entries

Published resources

Journal Articles

  • Sypher, J. H., 'Notes on the Obry device for torpedoes', The Proceedings of the United States Naval Institute, vol. 23, No. 4, Whole No. 84, 1897, pp. 655-661. Details

Letters Patents

  • Obry, L., Device for starting torpedoes, United States Patent Office, 21 March 1899. Details

Prepared by: Rebecca Rigby