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I have owned microscopes and telescopes but this lens is very puzzling. It comes apart into 4 pieces, and there is a square piece of glass among the internal parts, very odd, sort of attached to a pie

 

Scarce illustrated first-edition 1903 reference on American mosses A. J. Grout: Mosses with Hand-Lens and Microscope: A Non-technical Hand-book of the More Common Mosses of the Northeastern United Sta

 

...Just acquired from a local estate...offering this pair of civil war era antique amber glass lens non-prescription Spectacles Sniper/sharp shooter Eyeglasses. in very good clean intact condition...4

 

You are bidding on a Vintage Cooke, Troughton & Simms Model # VO 547 Theodolite Transit complete with it's original wooden case and two leather pouches with accessories. Recently purchased at an e

 

Up for bid is this super cool prescription from the Prohibition Era for whiskey - it specifies the amount and frequency and everything - hilarious!! In any case, the script is mint and from the tough

 

Rare Child's Folding Spectacles .................................... 11 images available top left. ....................................... Child's Folding Spectacles c.1820. A very special pair the si

 

THIS IS TWO VICTORIAN CASED SIKES HYDROMETER'S,EACH BOX MEASURES APROX 8" X 3.5" NOT ALL 100% COMPLETE,SOME DAMAGE ON THERMOMETER. POSTAGE: ALL ITEMS ARE SENT UK-ROYAL MAIL 1st CLASS SIGNED FOR AND IN

 

NICE RARE EARLY DOCTOR'S SCARIFICATOR --IN WORKING ORDER -- AS FOUND CONDITION, NEEDS OUTSIDE CLEANING--USED FOR BLEEDING OR FOR THE INTRODUCTION OF MEDICINES INTO THE BODY --SCARCE STYLE-- NICE SIZE

 

With leyden jars. Rest Will follow