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

cplathvenus 2- Light Retaining Screw 21217 3- Washer 22563 Light Housing 33-769$106.00 Wire, Socket and 12 Volt Bulb 33779$170.00 7-Verge Ring 36802 8-Oring, Dome 42215$36.00 9- Glass Dome 35729 - Expansion DiaphramThis Diaphram is used on the C. Plath Merkur and the C. Plath Venus Compasses ( key # 13 in the Merkur diagram, Key # 26 in the Venus diagram. The Plath version of this diaphragm is no longer available, the closest substitute is our part number A12387 which can be found in the 6" Danforth Constellation parts list 36252 Expansion Diaphram 4-1/2" diameter (used on Danforth and Kelvin White 6" Constellations made prior to 1980 and CPlath Merkur and Venus) This Diaphram measures 4-1/2" in diameter, used on Wilfrid O White, Kelvin White and Danforth 6" Constellations made prior to 1980. Also used in C.Plath Merkur and Venus. Measure the old diaphram (out of the compass) before ordering 30-A12387$145.00 Generic Filler Plug GasketAn industry standard filler plug oring, which will work fine on the C. Plath compasses. Most of the time you can re-use the filler plug screw and use the filler oring to seal the compass G-9504$7.95 -Filler Plug Screw w/ gasketThis filler plug screw is used on both the C. Plath Merkur (Key# 8) and the Venus (Key#24), Includes a filler plug gasket. THIS SCREW IS NOT CURRENTLY AVAILABLE. This screw very rarely needs to be replaced. The filler gasket for it are still in stock 37226 -Filler Plug Screw w/ gasketThis filler plug screw is used on both the C. Plath Merkur (Key# 8) and the Venus (Key#24), Includes a filler plug gasket. THIS SCREW IS NOT CURRENTLY AVAILABLE. This screw very rarely needs to be replaced. The filler gasket for it are still in stock 37226