Up for bid is an antique silver tone optical trial lens from the late 1800's or early 1900's. These lenses were originally used by an optometrist to examine eyes. Now they make convenient little magni

 

THIS IS WHAT YOU'RE BIDDING FOR: From my personal collection, here's a beautiful antique Apochromat 16mm N.A.=0.30 objective lens, from Carl Zeiss Jena of Germany, in traditional RMS screw mount and f

 

HERE ARE 59 OLD AND ORIGINAL=NOT REPRODUCTIONS MEDICINE BOTTLE LABELS IN REAL GOOD CONDITION. ALL ARE DIFFERENT AND SOME FROM THE LATE 1800S===REAL NICE ASSORTMENT-==SUPER=COLLECTION= IF YOUR HAPPY WI

 

VINTAGE ENEMA KIT IN ORIGINAL BOX PLEASE SEE PICTURES, A GREAT ADDITION TO YOUR MEDICAL COLLECTION. ONE SIZE FITS ALL!

 

Very nice Antique Lemaire Mother of Pearl Opera Glasses. They are in good shape with no cracks or chips. The case is in good shape with some wear. Please look at the pics. I do my best to describe eve

 

SHOW ME ANOTHER OF THESE? THIS IS A MUST FOR ANY COLLECTOR IN MY EYESA good Cross Callier Gauger's Boxwood Excise Slide Rule/caliper gauge made by Dring & Fage for Her Majesty's Customs & Exci

 

Fowler’s Long Scale Calculator Very acceptable example of Fowler’s “Magnum” Long Scale Calculator. The calculator is just under 4¾” in diameter with a movable scale and a movable cursor. It

 

Here is an awesome lot of U.S.A. Standard Sieve Series wire cloth seives. (3) in all...the numbers are...1) Sieve # 100 opening 0.0039 2) Sieve # 200 opening 0.0029 3) Sieve # 325 opening 0.0017. All

 

This auction is for a CAMERA LUCIDA of the William H Wollaston design. It comes in what appears to be its original case. It fits in case snugly and properly. The brass piece with the clamp measures 7

 

All California residents pay 8.75% Sales Tax. PLEASE READ! SORRY, BUT PLEASE DO NOT BID IF YOU HAVE LESS THAN 90 TRANSACTIONS. THIS IS DUE TO NEW EBAYERS THAT DO NOT PAY! We do not end an auction earl