Queen precision Kohlrausch slide E-2503 S Grey Instrument Co. / Philadelphia Pa. A type of potentiometer/ bridge, was used to make voltage measurements; somewhat slow, but you could make very fine rea

 

THIS CERTIFICATE WAS ISSUED TO E.A. BOLTON OF DOUGLAS, GA. IT STATE THAT HE IS IN THE BUSINESS OF "COMPOUNDING AND DISPENSING THE PERSCRIPTIONS OF MEDICAL PRACTITIONERS AND SELLING MEDICINES AND POISO

 

Vintage MASTER APPLIANCES VIOLET RAY OZONE GENERATOR 1930s Medical Quackery WORKING A genuine piece of early 20th century medical quackery, this Violet Ray Ozone Generator from Master Appliances claim

 

Purchased at an estate auction of a Doctor who collected Civil War medical devices. This is a 2 Blade Fleam that was used to extract blood from swellings on humans and animals.The thought was this was

 

1920'S HAMLIN WIZARD OIL LINIMENT BOTTLE W/ BOX QUACK MEDICINE Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge AS SHOWN SEE PICTURES USE ZOOM IF NEEDED. QUESTIONS?

 

I just got this from an estate sale and don't really know exactly what it is. I plugged the main unit in and it makes a sound like I assume its working. It appears to be missing one electrode and anot

 

Great condition. Earlier model Barometer from Lufft (Germany). Wording on Barometer is in English.

 

This is a complete set hard to find. This is the rare collectable c1817. This is dated on the back 1917 and marked last adjusted 5-4-1918 "new and improved" Sikes Hydrometer made by Dring & Fa

 

UP for sale is a embosed bitters bottle i found diving at historical Fort St. Philip LABELED CHEROKEE COUGH SYRUP !! a decommissioned masonry fort located on the eastern bank of the Mississippi River,

 

<div style="text-align:center"><img src="http://ti2.auctiva