It 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 writing arm shows changes in the air pressure on a paper diagram that is wrapped around the drum. A mechanical barometer movement with eight round diaphragms measures variation in the air pressure and transfers it very precisely through a system of mechanical levers to the writing arm. The Barigo barograph have additional oil damping of the arm to avoid incorrect readings when on ships and yachts. The high-quality mahogany case is polished several times and treated with a special highgloss lacquer to produce an especially lustrous surface. The interior metal parts of these model are solid brass, polished and gold-plated. The barograph come with a supply of charts and felt tip pens for one year.
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In advance with Visa / MasterCard : 80,403.02 TL
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0% Discounted money order : 80,403.02 TL
