Hello ebayers, For sale is my original classic Tasco 1959 10TE Solarama long-focus refractor made by Royal Optical Co. of Japan. This beautiful classic scope is a 1200mm FL at f16 and 76.2mm dia. The

 

Salesman Sample / DEMO Medtronic Device "Kappa SR401" No working parts for Demonstration Purposes ONLY. Please ask any questions before you bid.

 

Slide rule c 1959 belonged to former Congressman Bob Filner who started college as an engineering student before switching majors and obtaining his PhD in history of science.

 

This is a very early antique slide rule. Frederick Post Co, #1441. This is a smaller version of 4". Previous owner has inscribed name on back of slide rule as well as inside and back of leather case.

 

Drafting Protractor For auction, with no reserve, is an early 8-inch drafting protractor made by the Union Instrument Corp of Plainfield New Jersey. Item is stamped U.S., indicating that it was made f

 

Vintage Springfield Eagle wall mount weather station with thermometer, barometer and hygrometer on 3/4 inch thick wood and measuring 16 inches in length and 7 inches in height. All in really nice cond

 

VISIT TO SHOP: CLICK ON IT: check my more items in my Shop! Describe of the item: 100% Vintage! Condition: used GOOD vintage condition if consider its age! We can offer it wholeheartedly to all collec

 

You are bidding on one Concise slide rule made for SST Corporation. Both plastic case and slide rule are imprinted with SST logo and LA address. This model 28 slide rule has a yellow inlay around rim,

 

Original Keuffel & Esser Planimeter in original box. Germany. Posted with eBay Mobile

 

You are bidding on a dozen 1970's vintage Gramercy Architect's Scales. Scales are 1/16, 1/8, 1/4, 1/2, 3/4 and 1-1/2. I also have Eningeer's Scales listed in a another auction. (The picture shown is t