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

 

Here is an extremely rare Human Eye Transporter (us patent 2880856) from 1957. Its original use was for quickly transporting human eyes to hospitals for transplants. Its a great gift for optometrists,

 

A 1 1/4" disc made up of various metals.It comes with a cut out ad for the device and I also found with it a flyer for electropathist ,H.O. Candee.

 

VINTAGE MINE SAFETY APPLIANCE (MSA) MESTA MACHINE HARD HAT WEST HOMESTEAD PA. Vintage hard hat with original head liner is in good solid condition with some use and age wear as shown. Hard hat could u

 

You are bidding on a POCKET COMPASS This is a pocket Compass in its original Mahogany case. The needle is immobilised when the lid of the case is closed. The glass is very clean with no scratches. The

 

I HAVE FOR AUCTION AN ANTIQUE DENTAL SAMPLE FROM DR. WERNET'S .A TINY TUBE OF DENTU-CREME AND DR WERNET'S POWDER.THIS MANUFACTURED IN USA IN JERSEY CITY NJ,BEFORE IT BECAME BLOCK MFG.THE CAN OF WERNET

 

Dupont Blasters Handbook 15th Edition. 1969. 525 Pages. Covering blasting procedures for mining. Light wear along edges. Inside cover shows minor soiling in corner. No rips or tears in the book. Power

 

This is a vintage Mid Century AIRGUIDE INSTRUMENT COMPANY BAROMETER. It is in perfect working condition. It measures approx. 9.25" X 5. 3/8" X 2".

 

U.S. FOREST SERVICE COMPASS. MADE BY A.LIETZ CO. SAN FRANCISCO U.S.A. IT SEEMS TO WORK FINE. IT HAS A SERIAL# EQ416. OR IT COULD BE THE NUMBER TO WHOM IT WAS ISSUED? I AM NOT REAL SURE . THE FACE IS M

 

B-P Sterilizer with all parts shown in the photos. The pyrex is not cracked or chipped. It is dirty and needs a good cleaning. The green rubber part is warped and is not attached to the lid. It needs