a liquid damped boat compass by Ritchie
With spherical adjusters on mounting - 40.5cm. wide; a Kelvin Hughes brass-cased port and starboard indicator; a sestrel indicator; another by N.V. Observator Rotterdam; and a spring damped hydrometer in case - 22cm. square (5)
a liquid damped boat compass by Ritchie
With spherical adjusters on mounting - 40.5cm. wide; a Kelvin Hughes brass-cased port and starboard indicator; a sestrel indicator; another by N.V. Observator Rotterdam; and a spring damped hydrometer in case - 22cm. square (5)
