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

 

VINTAGE FOOTED GLASS MORTAR & PESTLE MARKED W.T. CO. U.S.A. 16. THE BOWL IS 4" TALL X 6'' WIDE WITH THE SPOUT. THE BOWL MAY BE FROSTED OR IS HAZY FROM USE? THE PESTLE IS APPROX. 7" LONG AND IS MAR

 

THE WOODEN BOX MEASURES AROUND 14" X 7.5" X 6". THE HANDLE LIFTS UP AND PLUNGES DOWN VERY SMOOTHLY. I ESPECIALLY LIKE THE FACT THAT ON THE BRASS LABEL FUZES IS SPELLED WITH A Z AND NOT AN S. THIS IS A

 

This catalog is in overall very nice shape. I can not find a date on it anywhere, but on the cover the phone numbers shown, only are 4 or 5 numbers long. This catalog's pages have a few minor creases

 

LARGE LOT OF ANTIQUE SYRINGES AND NEEDLES IN ORIGINAL BOX IN PORCELAIN HOLDER

 

VINTAGE glass display jar..inverted apothecary jar NICKEL CHLORIDEsome moisture has gotten in from the bottom.. could be removed and replaced with colored sand NOT a real chemical. A MERCK pharmaceuti

 

Bausch and Lomb microscope, serial number 2469, which dates its construction to the later months of 1883. The original wooden case is present, with the serial number stamped near the front (see image

 

You are bidding on a fine old primitive quack medicine crate from the late 1800's this sale is for the crate only - I do not have the bottles that were once in it \This is a wooden dovetailed crate th

 

4 ½” deep, 7 ½” wide, 5 ¼” tall pine box. Appears to be complete. The label in the lid claims to cure just about everything. Overall excellent condition.

 

2 Antique Rules as shown.Please see pictures for condition. length of each is approx 155mm. No reserve.