1880 LG WOOD BRASS SCIENTIFIC VACUUM PUMP W/ BELL JAR

Pricing & History

Sold for
Start Free Trial or Sign In to see what it's worth.
Sold Date
Source eBay

1880 LG WOOD BRASS SCIENTIFIC VACUUM PUMP W/ BELL JAR Description This listing is for an antique vacuum pump. I believe that this pump was probably used as a demonstration tool. The pump dates to about 1880 and I believe it may have been made by Queen and Company of New York City. This is an interesting instrument and is quite large. The base measures 25 x 11" or about 63 x 28 cm. To the top of the pump with the piston be pressed, it measures 25" or 63 cm high. The base and all of the wood in this pump is mahogany. The handle is iron that has been decorated with stencils in the Victorian manner. This is original. The cylinder and its accompanying parts are lacquered brass. The "vacuum tray" measures 8 3/4" or about 22 cm in diameter and I believe this may be steel. Over this vacuum tray is a blown glass bell jar with a wasp shape. It measures 14" or 35 cm high. When you place the bell jar on top of the vacuum tray and the valve is in line with the tubing and you pump the handle up and down, it creates a vacuum inside the jar. This vacuum is so strong and powerful that you cannot remove the jar from the table. You can remove the jar by releasing the vacuum. This is done by turning the valve so it is perpendicular to the tube. The condition of the jar, vacuum pump, etc. is really superb. The lacquer that covers the glass is in read more

Items in the Price Guide are obtained exclusively from licensors and partners solely for our members’ research needs.

Flag item for content or copyright

If this item contains incorrect or inappropriate information please contact us here to flag it for review.

If you are the originator/copyright holder of this photo/item and would prefer it be excluded from our community, contact us here for removal.