This is a 500-ml borosilicate glass flask (round bottom flask or boiling flask) that has been sealed, pumped to high vacuum, baked out, and backfilled with xenon gas to a pressure of 90 torr. When exp

 

No handle. I see no damage. I do not know if it works. Sold as is for parts. Used condition with wear. 4 inches tall. Weighs 4 lbs. Mining tool explosives. ____________________________________________

 

You get everything pictured. Case in good condition. Auction find.

 

Your browser does not support JavaScript. To view this page, enable JavaScript if it is disabled or upgrade your browser. Click Here. Double your traffic. Get Vendio Gallery - Now FREE! Here is a Cori

 

This handsome brass barometer is wrapped in a brass snake and sits on a marble base. The face is porcelain with elaborate lettering. The base measures 7 3/4" wide, 2 1/2" wide and 5/8" high - unfortun

 

This is a hand made kaleidoscope by artist, Dan Curry. Dan was known for making quality kaleidoscopes out of found objects – vases, antiques, discarded items. As a result, they were pretty much uniq

 

Classic Keuffel & Esser Log Duplex DeciTrig slide rule. The latest patent dates from 1940, and Mr. Lundin was already a graduate student in Chicago by 1950, so the timeline for dating this is pret

 

An absolutely stunning DEEP WHOLE MOUNT Collectable Antique Microscope Slide .. Labelled: W. WATSON & SONS. '' British Moth '' . TINEAE. With further descriptive label !

 

This is one of three quality antique microscope lenses listed this week by Bausch & Lomb, Rochester, New York, each one in its original brass cannister. All are in very good condition with clean c

 

Auto Lite carbide mining lamp by Universal Lamp Co. Made in USA, Springfield, IL. The base has a crack in it. It still opens and the "on" valve moves freely. Shipping includes a tracking ID.