A Collection of Circular Slide Rules and Calculators. See photos for what is included. All are in very good condition except the Range Computer which has 3 internal cracks in the back plastic disk. So

 

0 false 18 pt 18 pt 0 0 false false false This scientific/medical-magnifying instrument was made in France for the Clay Adams Co. founded in 1916. It appears that it was made to be strapped onto the h

 

Vintage Brass Kaleidoscope w/Box by Van Cort Instrument Makers This is a vintage brass kaleidoscope made by Van Cort Instrument Makers. Comes in original box. Measures approximately 9 1/2" long, 1 1/2

 

28 brand new Lipitor pens. Black ink clickers. You won't find these at amazon or staples! From a smoke free location. See pictures, email questions. Check out my feedback, and my other auctions too! I

 

Original Vernier Theodolite Elliot Brothers Original solid Brass Elliot Brothers Vernier Theodolite You now have the opportunity to own this very rare, very heavy perfect example of English precision

 

FOR SALE IS A VINTAGE TELEDYNE EMESCO 90N DENTIST DRILL, 22,000 RPM, THE MOTOR RUNS SMOOTH THIS WOULD BE GREAT FOR THE HOBBYIST OR JEWELRY MAKER VERY GOOD MACHINE. SEE PHOTOS FOR DETAILS. WILL SHIP OV

 

NO RESERVE!!!!!!!!VINTAGE 1960'S-1950'S THE ORIGINAL JUMBO DIAL BY THE OHIO THERMOMETER CO. MADE IN U.S.A. FROG OUTDOOR THERMOMETER. IT IS IN USED CONDITION WITH SOME RUST ON THE BACK AND SPRING(SEE P

 

melovenuns777 Store Rare Believed to be from the 1950's Sans and Streiffe vintage microscope 1200 X Wide Angle microscope with kit Vintage Sans and Streiffe, microscope kit No. 520. Very hard to find

 

Item to be paid in 3 days. Thanks for the looks, Jim Posted with the eBay Android app Posted with eBay Mobile Posted with eBay Mobile

 

The title page reads in part : "A System of Geometry & Trigonometry together with a Treatise on Surveying; Teaching Various Ways of Taking the Survey of a Field; Also to Protract the Same & Fi