This Weems & Plath barometer is light, strong and durable, the Endurance II Open Dial Barometer in brass finish 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 for altitudes to 3,500 feet above sea level. Maintenance free, ultra-hard protective coating Guaranteed not to tarnish or scratch Weather resistant Beveled glass crystal Traditional porthole front opening bezel Mounting methods for boat or shore Wood base in mahogany or black finish available separately (115SM & 115SB) AA battery included Lifetime warranty on finish and movement Dimensions 115: Dial: 4" (102 mm) Base: 6" (150 mm) Depth: 3 1/8" (78 mm) Wt: 1.25 lbs (567 g)
