Artery model demonstrating the four stages of atherosclerosis. Model shows four stages: Normal, Fatty Streak, Plaque and Stenosis. All stages rotate on a hinged pin. Product is new, unopened and in or

 

New in box. Includes pen with case VHS video. 

 

bunnybeare store ANTIQUE 1908 EDWARDIAN 8 PIECE DRAUGHTSMENS TECHNICAL DRAWING WOODEN CASED SET ANTIQUE EDWARDIAN 8 PIECE DRAUGHTSMENS WOODEN CASED SETWritten in ink on the base: Lilly - from Auntie A

 

Sodium perborate is a white, granular solid which decomposes in an aqueous solution to hydrogen peroxide and sodium borate. Active oxygen content 10%. Melting point is 63 degrees Celsius. It's used in

 

Bird Electronics VSWR Slide Rule, (Voltage-Standing-Wave-Ratio) I will combine postage on Multiple Purchases. I charge actual shipping charges. Be sure to add me to your favorites list! Check out my o

 

Up for auction is a antique Fahrenheit thermometer. Total length of the wood is 8 1/2" long and 2" wide and the glass measures 6 1/2" long. Shows signs of wear but mainly just minor fading. Still very

 

Precision Slide Rule Faber Castell NOVO-BIPLEX 2/83 N Made in Germany WITH CASE!In good used condition, shows some wear from normal use and some discoloration. Nothing to take away from function. Come

 

A beautiful beam compass set imported by L.M. Prince manufactured by theHenschel Co. in Germany. Stamped #34, a great collectors item.

 

gametimeva Store VINTAGE CARL ZEISS JENA MODEL 2988 OPTICAL OPTOMETRIST DEVICE MICROSCOPE LOOK

 

Kueffel and Esser Co. Alidade Model T-211618 In Original Case Crystal Clear Optics in a carefully owned and used instrument From the dry, high desert climate of Colorado It is rare indeed to find deca