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Digital photograph of an antique barograph in a wood and glass display case.
... Barograph Share Barometers> Barometer Styles Barometers at eBay Barograph Photo Barographs record the atmospheric pressure over the course of time. A traditional barograph, such as this ...
URL: http://www.barometers.us/barograph.htm
Learn about the invention of mercury barometers and their use in measuring atmospheric pressure. Links to barometer suppliers are included on the website.
... a metal disc covering a box containing a partial vacuum. Some barometers, called barographs, are designed to record changes in barometric pressure over the course of time ...
URL: http://www.barometers.us/
Find information about (and sources for) a selection of collectible items and antiques.
... buying guide. www.AlarmClocks.us/antique.htm Barometers Learn about mercury and aneroid barometers, and barographs. www.Barometers.us Camera Shops Digital cameras, SLR cameras, camcorders, and photographic ...
URL: http://www.chosensites.us/collectibles.htm

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