Very nice circa 1950 Eugene Dietzgen slide rule 1744 with original box, leather case and paperwork. No damage to anything other than some wear to outside of cardboard box only and in very good conditi

 

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

 

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

 

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PICKETT N3p pocket synchrolog DUAL BASE LOG/LOG EXPONENTIAL SPEED RULE All-metal construction. 32 scale sections. Mint condition leather case with comprehensive 95 page manual (from 1953). This was Pi

 

A 1 1/4" disc made up of various metals.It comes with a cut out ad for the device and I also found with it a flyer for electropathist ,H.O. Candee.

 

This slide rule is NOS. I opened to verify contents. Some light scratches on the box. Posted with eBay Mobile

 

This is a Plastic Scribing Instrument Set for the Corps of Engineers US Army from about 1945-52.It is made by the well know instrument maker of:Theo,Alteneder&Sons who made all kinds of drafting i

 

Nice old drafting set made by the ATECO Company Made in USA. Set appears to be complete. The case in in decent shape and the closure works and still holds the items nicely. Also with this auction 1. w

 

ANTIQUE MICROSCOPE SLIDE BY RICHARD SUTER. KIDNEY OF INFANT. SEE IMAGES FOR CONDITION. EXCELLENT. I ALSO BUY ANTIQUE MICROSCOPE SLIDES. VISIT www.antiquemicroscopeslides.co.uk FOR MORE INFORMATION. IM