This is a vacuum pump. The pump is used to remove the air from under the glass bell jar. Economy was the third settlement started by the Harmonist Society, and is now listed on the National Register of Historic Properties. The site is located in Ambridge, Pennsylvania. For more information about the Harmonist Society’s settlement at “Oekonomie,” visit the Old Economy Village website.Galleries:Old Economy VillageKeywords:ambridge, bell jar, harmonist society, harmonists, old economy village, pennsylvania, vacuum pumpPhoto Location: Ambridge, PennsylvaniaPhotographer: Dr. Roy WinkelmanDate of Photo: 06/04/2011Device Make: CanonDevice Model: Canon EOS 5D Mark IIExposure Time: 0.0333333F Number: 11Original Dimensions: 5458×3537Picture Orientation: LandscapeGPS Coordinates: 40°35'49.49"N 80°13'22.20"WPicture Number: 20022
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