Clocks- 2 (Two) Seth Thomas Zig Zag Course Clocks: Seth Thomas Clock Co., Thomaston, Conn., for Kelvin-White Co., "Convoy Zig Zag Clock" for and "Zig Zag" course clock for the U.S. Navy, 8 day, time and course signal, spring-driven balance wheel movements

Clocks- 2 (Two) Seth Thomas Zig Zag Course Clocks: Seth Thomas Clock Co., Thomaston, Conn., for Kelvin-White Co., "Convoy Zig Zag Clock" for and "Zig Zag" course clock for the U.S. Navy, 8 day, time and course signal, spring-driven balance wheel movements, one in a wood case and the other in a black phenolic case. Both were used to alert the bridge at intervals to vary a ship's course to make it more difficult for it to be targeted accurately by enemy torpedoes. wood cased convoy clock has a loose movement and some electrical components that may need attention. The clock in the black case has a loose movement. Dimensions are for the convoy clock. Sold "as is ".