A full service instrument shop specializing in sales and service of marine compasses. Suppliers of genuine replacement parts for Danforth, Aquameter, Ritchie, Kelvin White, Dirigo and Star compasses

5" Old Style Wilfrid O. White, Kelvin-White, Danforth Constellation Parts 1947-1980 Danforth Hybrid New Style 5" Constellation 1980-1986 Danforth-Rule New Style 5" Constellation Parts 1986-Present