Antique Navigation Instruments

Antique Charts & Chart Instruments

Charts are maps of the areas to be navigated with details specific to the marine environment. Other traditional aids used included tables (trigonometric, logarithms, etc) and slide rules. Dividers used for measuring lengths of lines and approximate lengths of non-linear paths on a chart.Nautical almanac used to determine the position in the sky of a celestial body after a sight has been taken Parallel rules used for transferring a line to a parallel position. Also used to compare the orientation of a line to a magnetic or geographic orientation on a compass rose.

Direction Finding and Recording Instruments

Instruments for the Determination of Longitude and Latitude

Time-Keeping at Sea