You are looking at a Vintage Deutscher Wetterdienst Barograph. Deutscher Wetterdienst is the German Meteorological Service based in Offenbach am Main, Germany.
A barograph is a barometer that records the barometric pressure overtime in a graphical form. It also is used to make a continuous recording of atmospheric pressure. The barograph was invented in 1844 by a French Physicist, Lucien Vidie.
This German barograph is in pretty good condition. The top plastic window has some cracks and scratches on it. The wood case is in great shape. On the altitude and time chart drum you will see a date: 25 Apr. 16 as well as the companies name. To open the lid you must slide the little knob on the side of the case to the right then lift open.
If you are looking for something different to add to your nautical collection, then this item could be for you!
Box Width: 9.5.34″
Box Length: 9.34″
Base Length: 10.5″
Base Width: 6.34″
Total Height: 7″
Weight: 6.5 lbs.
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