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

 

For sale is an Antique Bausch & Lomb 1.9mm Microscope Objective Lens Canister (Probably Brass) in Good condition. This item is described to the best of my ability and as accurately as possible. If

 

Vintage Ammeter by Westinghouse 7 1/2'' wide by 4'' deep

 

Made in New York. Great condition, other than a few Minor spots on the wood where the finish is off. Solid mahogany wood. 5.5 inches diameter. Any questions, feel free to ask. Posted with eBay Mobile

 

Nice lot of 5 mold blown antique medicine bottles from the late 1800s. Lot consists of bottles as follows 6 1/2" Aqua rectangular bottle with four indented panels embossed on the front William F. Shie

 

Selling a nice lot of 4 cobalt blue glass drug store apothecary jars from the early 20th c...they have thier original hand written paper labels applied on exterior and screw on lids-one jar is a diffe

 

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This is an original circa 1873 kaleidoscope manufactured by Charles G. Bush. This is an earlier model, the later design having had four legs. The overall height is 13 3/4". The tube (not including the

 

1891 booklet by the Wells, Richardson Co. of Burlington, VT., manufacturer's of "Paine's Celery Compound;" "The Great Nerve and Brain Strengthener and Restorer." According to their claims, this compou

 

DESCRIPTION: For your bidding consideration is a pair of Antique HAROLD LLOYD Look 20/30's DECO ERA Rootbeer Eyeglasses Spectacles with Case. Good lenses with a slight rx for distance. Marked "USA" be