VINTAGE ANTIQUE DAVIS INSTRUMENT COAL MINE ANEMOMETER ANEMOMETERS Mechanical anemometers are an instrument used to determine the volume of air entering or exiting mine workings. They were invented by

 

Hope 740 custom circular slide rule made by Concise Co. of Japan and marketed under "Hope". This is an English-Metric converter, the front is a 3" pocket circular slide rule...attached to a rectangula

 

Brass Van Cort “Companion” Pocket Kaleidoscope Up for auction is a Brass Van Cort “Companion” Pocket Kaleidoscope. In very nice condition, comes with original box. Measures 5 1/8" in length. �

 

Kind of a puzzling item, have had a bunch of opinions as to what this was actually used for, I think it was a tool used in the medical field, designed to create suction when placed on body part to pos

 

One used vintage in very good condition McKesson Victor Oxygen valve regulator made in the USA. Any questions email me.

 

Vintage/antique drafting tools in case. A couple missing but most there. Shows some rust but well made and definatly in usable condition.very cool / interesting

 

YOU ARE BIDDING ON "1 MINUTE MOUTH" THERMOMETER. MADE IN NEW YORK. WEIGHT 1 0Z SIZE LENGTH 1/2 INCH AND 5 INCHES . IT IS MADE OF GLASS; EXCELLENT CONDITION. A NICE COLLECTIBLE THERMOMETER. THE MAKER I

 

This is a Vintage B-D Yale 2cc Hypodermic Syringe Glass Becton-Dickinson Kit. It is in great condition. There are 2 needle containers with needles, and 1 Syringe container with Syringe and 2 Container

 

sraucher store Vintage Pacific Transducer Corp. Los Angeles,CA Model 615 Thermograph. Not sure how it works but it seems complete with paper and key etc. PTC is still in business in Los Angeles,they s