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BARIGO Barograph Recording Instrument - Brass & Mahogany w/ Glass Top
BARIGO Barograph Recording Instrument - Brass & Mahogany
Mechanical barographs have a solid rotating brass drum that is driven by a quartz battery movement to rotate the drum once a week. A felt tip pen at the end of the of the writing arm shows changes in the air pressure on a paper diagram that is wrapped around the drum. A mechanical barometer movement with four round diaphragms measures variation in the air pressure and transfers it very precisely through a system of mechanical levers to the writing arm. All barographs come with a supply of charts and felt tip pens for one year.Specifications:
- Housing: 195 x 125 x 127mm