Torpedo Data Computer (English Wikipedia)

While the TDC's target tracking abilities were unique for submarine torpedo fire control during WWII, target tracking was used on surface ship torpedo fire control systems by a number of nations (see references in this article to US destroyer and Japanese torpedo fire control Archived 2007-07-20 at the Wayback Machine). The TDC was the first analog computer to miniaturize the capability enough for deployment on a submarine.
Jackson, USNR, Lt.(jg) J.G. (February 1946). Japanese Torpedo Fire Control (PDF). US Naval Technical Mission to Japan. Fascicle O-1, Target O-32. Archived from the original (PDF) on 2007-07-20.

fleetsubmarine.com (Global: low place; English: low place)

"Torpedo Data Computer". November 2015. Archived from the original on 2011-02-26. Retrieved 2006-07-29.

Frederick J Milford (October 1997). "Part Five: Post WW-II Submarine Launched/ Heavyweight Torpedoes". US Navy Torpedoes. Archived from the original on 2006-05-23. Retrieved 2006-07-26.
Nathan Decker (July 2005), Submarines 1950-2000, a study in unused potential, archived from the original on 2007-03-17, retrieved 2006-08-20

While the TDC's target tracking abilities were unique for submarine torpedo fire control during WWII, target tracking was used on surface ship torpedo fire control systems by a number of nations (see references in this article to US destroyer and Japanese torpedo fire control Archived 2007-07-20 at the Wayback Machine). The TDC was the first analog computer to miniaturize the capability enough for deployment on a submarine.
"Torpedo Fire Control Equipment (Destroyer Type)".
"Museum documents an operating US, WW II built submarine in Taiwan". Retrieved 2008-07-13.
"Torpedo Data Computer". FleetSubmarine.com. 2002. Archived from the original on 2012-07-17. Retrieved 2006-07-03.
Commander Submarine Force, United States Atlantic Fleet, ed. (2006-04-16) [1950-02]. "Definitions". Submarine Torpedo Fire Control Manual. pp. 1–12. Retrieved 2006-08-22.
ARMA Corporation (June 1944). Torpedo Data Computer Mark 3, Mods 5 to 12 inclusive. Ordnance Pamphlet. Bureau of Ordnance. OP 1056.

"U-505 | Virtual Tour | Photo Tour | Conning Tower". Retrieved 2006-08-01.{{cite web}}: CS1 maint: deprecated archival service (link)

Commander Submarine Force, Pacific Fleet, ed. (2006-02-17) [1944-02]. "Attacks -- General (Chapter IV, Section 1)". Current Submarine Doctrine. pp. paragraph 4614. Retrieved 2006-07-02.{{cite book}}: CS1 maint: deprecated archival service (link)
Commander Submarine Force, Pacific Fleet, ed. (2006-02-17) [1944-02]. "Attacks -- General (Chapter IV, Section 1)". Current Submarine Doctrine. Department of the Navy. pp. paragraph 4509. USF 25(A). Retrieved 2006-08-19.{{cite book}}: CS1 maint: deprecated archival service (link)

"Analog Computers". Lexikon's History of Computing. 1995. Archived from the original on 2012-08-14. Retrieved 2006-07-03.
While the TDC's target tracking abilities were unique for submarine torpedo fire control during WWII, target tracking was used on surface ship torpedo fire control systems by a number of nations (see references in this article to US destroyer and Japanese torpedo fire control Archived 2007-07-20 at the Wayback Machine). The TDC was the first analog computer to miniaturize the capability enough for deployment on a submarine.
Frederick J Milford (October 1997). "Part Five: Post WW-II Submarine Launched/ Heavyweight Torpedoes". US Navy Torpedoes. Archived from the original on 2006-05-23. Retrieved 2006-07-26.
"Torpedo Data Computer". FleetSubmarine.com. 2002. Archived from the original on 2012-07-17. Retrieved 2006-07-03.
Britain Archived 2006-06-19 at the Wayback Machine
Jackson, USNR, Lt.(jg) J.G. (February 1946). Japanese Torpedo Fire Control (PDF). US Naval Technical Mission to Japan. Fascicle O-1, Target O-32. Archived from the original (PDF) on 2007-07-20.
Nathan Decker (July 2005), Submarines 1950-2000, a study in unused potential, archived from the original on 2007-03-17, retrieved 2006-08-20
"Torpedo Data Computer". November 2015. Archived from the original on 2011-02-26. Retrieved 2006-07-29.
"USS Bowfin - Target Bearing Transmitter". Archived from the original on 2006-07-20. Retrieved 2006-07-28.