Light, strong, and durable, the brass Endurance II 135 Open Dial Barometer is a holosteric, or aneroid type which measures atmospheric pressure mechanically without the use of liquids. The movement in this generously sized barometer is temperature compensated, fully adjustable with inch and millibar scales, and is calibrated for altitudes up to 3,500 feet above sea level. This porthole-style barometer is weather-resistant and guaranteed to never tarnish.

• Generous size, easy-to-read dial
• Temperature-compensated, fully adjustable aneroid movement
• Calibrated for altitudes to 3,500′ above sea level
• Maintenance-free, ultra-hard brass finish guaranteed to NEVER tarnish
• Weather resistant
• Traditional porthole front-opening bezel
• Beveled glass crystal
• Mounting methods for boat or shore
• Wood base in mahogany or black finish available separately (135SM & 135SB)
• Instructions & mounting hardware included
• Limited Lifetime Warranty