This German made barograph is housed in a mahogany case with glass sides and a polished
brass handle for easy access. The single AA battery operated quartz movement requires
no winding and is more accurate than key-wound movements. The barograph readings
are marked with a felt tip pen that lasts 6 to 9 months. It is furnished with a
one-year supply of weekly charts, AA battery, and one felt tip pen. Case dims:
7.75" x 5" x 5.2".
Chart size: 2-1/16" x 9-1/4".
Chart range: 28.5 to 31 inches.
Chart duration: 7 days.
Wt. 3 lbs.
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