We Ship Worldwide Please see details,We Combine shipping charges on multiple purchase of Items Vintage Slide Rule Dring & Fage Makers Stamford London having been a military item On offer here is a

 

KEUFFEL & ESSER NO. 4161 SLIDE RULE IVORITE COMES WITH MANUAL AND BOX USED-MANUAL IS BENT IN HALF TO FIT IN BOXPayments must be received within 7 days of auction closing. All items will be shipped

 

K & E KEUFFEL & ESSER MODEL 68 1210 SLIDE RULE AND LEATHER CASE . All in Excellent condition with little signs of use . Made in USA. Has Pats. Pend Made in USA 68 2810 LOG LOG DUPLEX DECITRIG

 

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

 

From the estate of a practicing physician, from 1926-1961, in Duval County, Florida.

 

Look new, very nice shape.

 

French enema made in France. The Enema is made in pewter and brass circa 1870. Reference: Antique Medical Instruments by Elizabeth Bennion p. 173 Most of the original brass lacquer present minor dents

 

This is a Microtone Hearing Aid Test in its own case. On the back is Microtone Classic Sterling and front is carved like Art Deco, inside is a place for batteries and the number T9 Microtone Company,

 

This is a Picket slide rule from the Cleveland Institute of Electronics and the patent date goes back to 1964. The slide rule is a plastic I think with metal on all the edges including the center slid

 

Mining, Blasting; Explosives Manual: DU PONT BLASTERS' HANDBOOK The DU PONT COMPANY BLASTERS' HANDBOOK, Revised (175th Anniv. Edition) Covers: Background, Types, Methods and Techniques, Applications,