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

 

Antique Bone Engineering Sector Folding Rule, Brass Round Hinge, Intricate, Nice Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge This is a very el

 

This is a 126 mixed lot of drafting and art triangles, French curves, protractors, and templates. 42 new triangles and curves in wrap 53 used triangles various sizes many new without wraps 13 template

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

Normal 0 false false false MicrosoftInternetExplorer4 If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old tech

 

Vintage German Slide Rule FABER CASTELL DUPLEX 2/82 Sliderule - 13" - Light use wear - Overall Good Condition Thanks and Good LUCK!! PLEASE NOTE: Shipping & handling is always disclosed in the auc

 

UP FOR AUCTION: VINTAGE AMERICAN CYANAMID Co. EXPLOSIVES WOODEN DOVETAIL BOX Manufactured in New York. Measures approximately 17.75" long, 10.25" tall, and 12.25" wide. In good, sturdy condition. SEE

 

Antique Microscope slide Ward prepared Manchester Spotted Worm Sea Cucumber Diatoms are a major group of algae, and are among the most common types of phytoplankton this and the hundreds more slides a

 

You are viewing a "Barometer Weather Glass" Brand New In its original box by Authentic Models About this BarometerThe Weather Rises and Falls Weather forecasting is just like it was some three centuri

 

imperial5 store VTG Large 11'' Glasco Measuring Beaker Laboratory Pharmacy VTG 32 oz Pour Spout