This is a very old mathematical engineering instrument used for compensating polar planimeters, radial planimeters, square root planimeters, mechanical integrators, and suspended pantographs. It would

 

This is an all original and clean condition pair of vintage sunglasses from the mid 19th century-they have thin wire frames with " D" shaped cobalt blue glass lenses ..they have folding side panels to

 

Antique Brass? GF? Gold? Eyeglasses in Period Frederick, MD, Case c1900 Description: This is antique pair of cable stem eyeglasses in beautiful like-new condition. They date, I would guess, to the lat

 

nednod Store DescriptionWelcome to my Auction for one of my two Tonsil Guillotines, this one looks to be from the 1930's. It is marked Arnold & Sons. The handle un screws and can be re positioned

 

Combo Miniature Antique Brass Microscope & Vintage Brass Oil Lamp + 8 Really Old Slides Optics cleaned, brass shiny, wood clean, polished but has scratches. Comes with original brass tweezer, magn

 

Very interesting and Curious Specimens .. the silver metal Containers measure 4 3/4 ins tall .. one hand written Label states Ext. Ergot Liq. I have not attempted opening the glass stoppers to the Bot

 

Wrought Iron Candle Stick Holder Sticking Tommy Excellent Condition

 

ANTIQUE SOS ELECTRIC PULSER 1913 PATENT ~ QUACK MEDICAL INSTRUMENT ~ UNTESTED Untested, but does look in very good condition. Some wear on end where battery goes in. Box is in nice shape. Neat old qua

 

The title page reads in part : "Obstacles to Sanitary Marriage. Published by the Bellevue Medical Institute, Chicago, ILL." The verso of the title page reads : "Entered according to Act of Congress in

 

NEAT BOTTLE WHICH ONCE HELD QUICKSILVER OR MERCURY PERCHLORATE RARE RED LABEL UNDER GLASS INDICATING POISON +WHITALL TATUM TRADEMARK EMBLEM IS VISIBLE FROM REAR! NO CHIPS OR CRACKS TO BOTTLE, LID OR G