Cape Compass can provide custom made DEVIASCOPES for classroom and demonstration use. These are custom fabricated and require some lead time to prepare. Two types are offered.
This is the classic teaching device, capable of demonstrating the causes & remedial techniques for all common ship-board magnetic compass errors. (Coefficients A, B, C, D, E & J.)
Simplified contemporary model, suitable for student laboratory practice, capable of demonstrating the causes & remedial techniques for the common magnetic compass errors typical of non-steel boats. (Capable of demonstrating coefficients A, B, C and J.)