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WP.410-D
dampened deluxe barograph
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The world's finest barograph is housed in a hinged solid mahogany case with glass sides to provide easy access to the chart drum. An eight diaphragm bellows provide maximum sensitivity and precision. Quartz movement requires no winding and is more accurate than key-wound movements.
Barograph readings are marked with a felt tip pen which lasts 6 to 9 months. This ships with one-year supply of weekly charts, one felt tip pen,dampening fluid and AA battery.
Chart range is 28.5 to 31" and the duration is 7-days.
Made in Germany
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