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

Click to enlarge3" Antique Ritchie Compass

This 3" compass manufactured by E.S. Ritchie in 1907 is in excellent condition, complete with its original mahogany box it was recently overhauled in our shop using the same tools and techniques that were used when it was originally manufactured. Special care was taken to preserve the original egg-painted interior as well as preserving all of the hand made components. Research of the serial number indicates that it was sold to T.S.& J.D. Negus, a highly respected ship chandlery in new York on Augst 1, 1907. An image of the page from the original serial number book at E.S. Ritchie & Sons can be seen on the bottom of this page. The box measures 6-3/4" X 6-3/4" X 4-1/2" high. The dial is 3" in Diameter. This compass sold for $795.00 April 2010.


Serial Number 35594Serial Number 35594Each compass manufactured by E.S. Ritchie was serial numbered and the numbers were all logged into the serial number record books. These books are still in existance at E.S. Ritchie. This picture of a page in the log shows the record of this 3" compass #35594 which was sold August 1st 1907 to T.S. & J.D. Negus of New York.