BLASTING GALVANOMETERU.S. ARMYModel E-80GRAY INSTRUMENT Co., Philadelphia, Pennsylvania4" x 3"I have no way of knowing whether the galvanometer works or notCondition as shown in the photos. Normal 0 f

 

Old glass thermometer Ballo Red Signal fever Thermometer assuming it contains Mercury the old ones did but can't say for fact. The box is in pretty good condition but no perfect. Plastic case may be b

 

The following auction is for a Vintage Bausch & Lomb Optical Co. Microscope – Rochester, NY – 07665. · Approximately 12 ½ “ High · 3 lenses o Bausch & Lomb Optical Co., 16 mm 0.25 N.A

 

Hutchinson blasting wedge measuring 12 1/2 inches long in very good condition.

 

This is a Picket slide rule from the Cleveland Institute of Electronics and the patent date goes back to 1964. The slide rule is a plastic I think with metal on all the edges including the center slid

 

Hi these sluice boxes are made here in the USA and measure 6" wide x 24" long. These features 5052 0.63 grade aluminum for durability and light weight They feature low profile carpet underneath the co

 

4 boxes of vintage dental teeth Steele's New Hue

 

in very good condition kern aarau GKO level ,inverted image to use or to complete your collection in original plastic box has a few cracks (see photo) , instrument is fully serviced and callibrated If

 

0 false 18 pt 18 pt 0 0 false false false This scientific/medical-magnifying instrument was made in France for the Clay Adams Co. founded in 1916. It appears that it was made to be strapped onto the h

 

My Father bought this few years ago as a back up Compass to use in his Surveying business. He felt it was too big to carry so it pretty much stayed in the office.Do not know anything more about it. Se