VINTAGE ART DECO PERIOD MAGNIFYING GLASS MADE BY KERSHAW LEEDS, THERE IS A BRIT PATENT NO 460323 STAMPED ON THE METAL LEGS, A LOVELY OLD MAGNIFYING GLASS WITH MINOR GLASS SCRATCHES.

 

VINTAGE K2 HORSE RACING calculator - includes booklet, round slide rule and case. This plastic circular slide rule has a white base, with three concentric logarithmic scales, all numbered from 1 to 50

 

Look at this wonderful dated 1956 AirGuide Brass Instrument Co. Barometer & Thermometer! It has such Mid-Century styling with Shiny Brass housing and works wonderfully too! This is just over 15 in

 

This is an older medical display model from Ortho McNeil. It shows Osteoarthritis hip on one side and a Total hip on the other. Stands about 8" tall and has the colored information in the middle. See

 

This is the famous plastic blue bowl gravity concentrator designed to work forever with no moving parts. Comes with water flow control valve & the supports to place it on your bucket. You can also

 

Vintage "The Miniature" Steel Vest Pocket Slide Rule with hard leather case and original instructions Made in USA by Guedon, Camden, NJ ~ ca. 1940's Sturdy all-metal construction, off-white enameled f

 

. See the other type Sluice with the NEW KEENE MOLDED RIBBED MAT in action at: http://www.youtube.com/watch?v=WILUmt6tce4 The NEW 4" Sluice Video is in production and will be released sometime late su

 

For sale are two VINTAGE K&E LEROY AUTOMATIC LETTERING DEVICES with power supply cords and standard lettering font. The power supply cords do not work so I can not check out the machines to see if

 

just the ruler you need,vintage germany made,nice leather case too.....rule up your bid...............................................

 

My father bought the curta calculator but he newer used it, I found in a drawer after his death. It is in mint condition. Its type 1, number is 79654. Comes with canister, manuals and original box.