VINTAGE 1940's TRIANGULATOR SLIDE RULE MAKES TRIGONOMETRY EASY POCKET SIZE Click image to enlarge Description 9/17    A terrific collectible - A 1940s 'TRIANGULATOR' SLIDE RULE!  'MAKES TRIGONOMET

 

Thanks for checking out my listing . Insurance is included in the shipping cost. Please review all photos and the description carefully, and take note of the additional information on the right side o

 

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

 

Thanks for stopping in. It's a nice addition to your game or family room. Shipping is to the USA only.

 

Superb Antique Hand Blown Blue Human Prosthetic Glass Eye Dates To Around 1880 Most Likely Produced In Germany by Muller Stunningly Beautiful Detail Measures 2.5cm Wide Superb Condition A Fine & R

 

A very rare and unusual object 150mm/6" Etched Circuit memory Device Wafer – this CAN be yours!! It is very difficult to photograph this object as it is so shiny but here is what it is:- · 150 mm d

 

SUN HEMMI BAMBOO SLIDE RULER WITH CASE

 

UP FOR AUCTION IS AN INTERESTING ARTIST'S/ANATOMICAL MODEL MADE OF METAL. I PICKED UP THIS NEAT PIECE A FEW YEARS AGO...AND IT HAS INTRIGUED ME EVER SINCE. I DON'T KNOW IF IT WAS ORIGINALLY SOME SORT

 

Hello, and thanks for looking. Please excuse any not-so-great pics; still getting the hang of it. This is a very nice vintage General Electroc phototvoltaic cell, model 8PV-1, from the 1960s. It measu

 

WELCOME! You are bidding on a lot of 2 pair of old optical specticals eye glasses. These seem to be in pretty good condition but the lenses may have some scratches. They need a really good cleaning. O