|Object Name||Clock, Wall|
|Other Name||Zig Zag Convoy clock|
c.1940 Conlan Electric Co Zig Zag Convoy control timerclock
Movement for clock is 1999.15a
Control timerclock and course clock invented during WWII. The purpose was to provide convoys with a pre selected steering program that would make it extremely difficult for enemy sumbarines to "home" in on a ships position and thus obtain a torpedo bearing. Was installed on a bridge and utalized a bell or buzzer signal system, which when sounded, notified the officer of the deck to change direction.
|Maker||Conlan Electric Corporation|
|Place of Origin||New York, New York, USA|
First model prototyped at US Naval Observatory in the later part of 1941.