Up for sale is a Concise Slide Rule Model #28n. It still has the original case and manual. Sold as is.

 

You are bidding on a vintage human prosthetic glass eye from Lauscha, Germany. I’ve been collecting prosthetic glass eyes for years now and these are among the best quality that I’ve seen so far.

 

Your browser does not support JavaScript. To view this page, enable JavaScript if it is disabled or upgrade your browser. Click Here. Double your traffic. Get Vendio Gallery - Now FREE! Here is a Cori

 

Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

GERMAN WWII NAVAL U-BOAT MHR1 HOHENRECHENSCHIEBER SLIDE RULE c1940's $1 NO RES A scarce German WWII period Kriegsmarine / naval 'Hohenrechenschieber MHR1', (or height slide rule). Issued for use on U

 

OLYMPUS Stereo Microscope VMT model Total Magnification 10x , 20x can easily change slide switch by center ring. Eyepiece Lens 10x, objective Lens 1x and 2x Slight damaged on body but very clearly loo

 

Vtg Lot Of 40+ MEDICAL STAINLESS Steel Dental Tools Bur Peerless USA Miltex EtcAs pictured, everything is all together in the first photo, all other pictures are close-up and different viewsMixed lot

 

SELLING A VERY NICE OLDER BAROMETER IN VERY GOOD CONDITION.....IT MEASURES 4 5/16INCHES WIDE AT THE TOP AND ABOUT 4 1/2 INCHES WIDE AT THE BOTTOM AND IS 2 1/8 INCHES TALL..IT'S IN VERY GOOD WORKING CO

 

NICE CLEAR GLASS OLD EYE CUP STUBBY STYLE NO CHIPS OR CRACKS 1 3/4" TALL MARKED MADE IN U S A ON BOTTOM COLOR IN PICTURE IS FROM PHOTO - IT IS NICE AND CLEAR

 

Thiourea is also known as thiocarbamide. White, lustrous crystals with a density of 1.4 and a melting point of 180 degrees Celsius. Soluble in cold water. It's uses include - photography (removing sta