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 Brass Microscope, marked 100x, no name---There is a patina/metal discoloration which I tried to picture. Used a magnet to test the metal; still not sure what metal is used to case the mirror.

 

Antique Telephone or Telegraph Switcher or possibly an Antique Resistance Box. Philip Harris & Company (1913) Limited Birmingham England. It is 10" long, 5 1/2" wide and 2 1/2" tall. As seen in th

 

Vintage Bausch and Lomb Magnifier This vintage Bausch and Lomb magnifying glass is in excellent condition with no damage. It has only slight wear from use and is in the HTF Butterscotch color. It's ab

 

Welcome to Jennifer McKee's (AKA Doodles) Drug Rep pen collection auction. Doodles was a wonderful eBayer seller and personal friend who passed away on May 6th, 2014. She had a passion for collecting

 

One pair of highly sought after Docter Optic Deltrintem 8x30 binoculars. Made in Germany. Serial #7305386. There is surface wear to the paint and minor wear to the rubber around the eye pieces. Lenses

 

This item is brand new in its original packaging!HAS BEEN OPENED AND I ONLY FILLED ONE PEN AND WROTE MY NAME ON A PIECE OF PAPER ONE TIME!! Just to see what the BIG fuss was about them!!! They really

 

Vintage Scientific Steam Engine Cut Away Cross Section Up for auction is this vintage scientific steam engine cut away cross section demonstration apparatus usedfor teaching the maker is unknown possi

 

This is a canon Pocketronic which I understand to be the first or one of the first handheld calculators. The machine has no screen, the info comes out on a thermal tape. This machine has not been plug

 

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