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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Specifications of the Portland Weather Station
Switch replacement for all rain collectors
Includes combination roof unit
Rate of Ascent: 350m/min
Comfortminder—comfort system instrument
Weems & Plath Dampened Deluxe Quartz Barograph, 410-D Chart Weights & Magnifiers Specifications of the Portland WeatherWeems & Plath Dampened Deluxe Quartz Barograph Keep precise records of barometric pressure readings with this extraordinary German made Dampened Deluxe Quartz Barograph. This mechanical barograph with eight round diaphragms measures variation in the air pressure and transfers the information very precisely through a system of mechanical levers to the writing arm. The battery operated quartz movement rotates the solid brass drum once a week, requires
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