Endurance II 135 Barometer & Thermometer (Weems & Plath 951000) I2 - Singapore & Approaches - Gulf of Thailand British Admiralty Nautical Chart 4522:

British Admiralty Nautical Chart  4522: North Pacific Ocean

Hoggatt Bay

the Nautical Slide rule for speed and distance calculation and a navigator's pencil

and Parker and Ipswich rivers

Endurance II 135 Barometer & Thermometer (Weems & Plath 951000) I2 - Singapore & Approaches - Gulf of Thailand British Admiralty Nautical Chart 4522:Light, strong, and durable, the brass Endurance II 135 Barometer Thermometer is a combination instrument that conveniently melds barometric pressure and temperature in one location. The barometer at the top of the generously sized dial is a holosteric, or aneroid type which measures atmospheric pressures mechanically without the use of liquids. The movement is temperature compensated, fully adjustable with inch and millibar scales, and is calibrated