Nautical Barometer

Nautical Barometer
This barometer houses a highly reliable and accurate double diaphragm German aneroid movement that is visible through the open dial. It displays both of the barometric scales; inches of mercury and millibars. The movement is temperature compensated and calibrated for altitudes up to 3500 feet above sea level. Dial: 5-1/4". Base: 7". Depth: 3-1/2". Wt. 7 lbs 2.5 oz..
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This unit houses a special patented double capsule movement that is factory certified to be accurate to within 0 .2% of real pressure. More noteworthy is that the scale range has changed from the traditional scale of 27.5" to 31.5" Hg to an expanded scale of 28.5" to 30.5" Hg. This exaggerates the needle movement, making a small change in pressure much more noticeable. The barometer movement is calibrated for altitudes to 1500' above sea level. Wt. 3lbs. 3 oz.

Polished brass, lacquered case. To set up your Weems & Plath Radio Control Clock, insert a AA battery, select your time zone with the clearly marked knob, and then hang it on the wall. The clock will then set itself to the exact time. Provided with complete instructions, mounting hardware, lifetime warranty, and a fresh battery. Dial: 6-1/8". Base: 8-13/16". Depth: 1-7/8". Wt. 19.4 oz.

For two instruments with base dimensions up to 5" in diameter.