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

 

Clavininc Store This is a vintage Rexall Store glass counter display. It measures approximately 5.25" in diameter and stands 4.75" tall. It says "From the Rexall Store" right on the glass jar. The top

 

Antique Pulse/Hour Glass for Nurse Chatelaine English * Circa 1900 This interesting piece was used for taking the pulse and would have been on a nurse's chatelaine. Wrist watches were not common until

 

Original PROHIBITION WHISKEY WINE PRESCRIPTIONS Old Medical Alcohol Pharmacy Bar

 

sushimonster Store RARE VINTAGE BALL JOINT 5 PCE DRAWING DRAFTING INSTRUMENTS TOOLS BOXED SET

 

3 balance scale weight sets. 2 in wooden boxes and 1 ohaus in a plastic container. All have complete set of larger weights and 2 have some smaller weights as seen. Also have 1 brush and 1 set of bone

 

ALL FROM 1850'S TIL 1880'SMARKED NORMAN, KING'S COLLEGE, AND BOUGOGUENOTE ALL IMAGES This would make a great addition to any collection. We will ship internationally; HOWEVER, INTERNATIONAL BUYERS MUS

 

Item: Antique eyeglassesComposition: SteelEra: mid 1800'sFeatures: K bridge, double hinge, teardrop finialsLenses: Clear glass, light nearsighted prescription (-0.75 OU)Size: small, 4 1/4 inches acros

 

Antique Brass Gold-Tone Eyeglasses w Loop-End Stems Early 1800s Description: This is a beautiful pair of antique gold-tone brass frame eyeglasses dating, I would guess, to the early to mid 1800s. The

 

Nice antique drug store or general store counter top candy or apothecary jar. Fancy style thumbprint and daisy ground glass stopper. Heavy blow mold bottom. Slightly sun grayed. Measures 7.5"H x 5"W.