Here is a two-part Navy training film from 1953 that describes the inner workings of mechanical fire control computers ... not the least of which are own ship’s speed and course, distance ...

Modern ship compasses use a series of fibre optic gyroscope sensors and computers to locate north. This system usually includes sensors, control and display equipment, and an interface linked with ...

Various technologies would have been onboard the Stena Immaculate and the Solong at the time they collided in the North Sea.