Here is a very, VERY nice vintage and original true double marked Ernst Leitz Wetzlar microscope, in it's original carrying case! Leitz Magnification lenses: Leitz Pariplan 10x & 6,3x B, 3,5: 1A 0

 

presents...Vintage 1987 Van Cort Exotic Wood Dragonfly Kaleidoscope Prism Dioptric Scope Click to view supersized image Click to view supersized image Click to view supersized image Click to view supe

 

The Gerber is still in the wrapper and presumed new The Pickett is in a lovely creamy leather case and is in excellent condition Get your bids on for these pre computer geek tools.

 

Up for bid is a set of vintage Lefils opera glasses from Paris that comes with a case. They are Mother of Pearl & Brass. I don't see any numbers on them but they are marked Lefils and Paris on the

 

This vintage Keuffel & Esser 8 1/4" Slide Rule is in excellent very clean condition. Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

 

Made of glass by a popular vendor. Please refer to tape measure next to eyes in picture for size. I was going to use this for a lifesize project, but I no longer have use for it. Sold as is.

 

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

 

It is approx. 45mm (1.3/4") high Postage is 8.50 GBP by registered mail (signed for) WORLDWIDE Dispatch is within 24 hours from received paypal payment Good luck if you bid for it!

 

These (10) pins and tags were supposedly used in the coal mines. The pins and tags have matching numbers on them and pins are 2" long.

 

VINTAGE ANTIQUE DAVIS INSTRUMENT COAL MINE ANEMOMETER ANEMOMETERS Mechanical anemometers are an instrument used to determine the volume of air entering or exiting mine workings. They were invented by