This slide rule is used to calculate dew point andrelative humidity 11 inches in diameter and 20 scales

 

Great Pair MOP Opera Glasses Purple Nacre Measurements:4'' long, Condition:Very good, a few minor cracks in MOPTERMS OF SALE: QUESTIONS: · All items I sell have multiple pictures and are described as

 

High school Bunsen Burner from the 60s Brass with Stainless steel base

 

3) Antique Copper Printing Plate Herbert T Barnett, MPS Chemist, Winsford Click the photographs to enlarge. Colours may differ due to any flash used. I combine lots so please wait for my invoice BEFOR

 

This auction is for an ANCO Flash Magnifier 7X. It comes with the original box. The outer layer of paper is started to peel away in a couple of areas of the box. The box also shows some wear on the co

 

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

 

Dietzgen Drawing Instruments- Instrument drawing field set # 18-4278-400-400 - missing one piece not complete- please check all pics - please ask any questions

 

You’re bidding on a VINTAGE CAST IRON JEWELERS MAGNIFYING GLASS ADJUSTABLE TABLE TOP KIND Thanks for looking and good luck. Pennsylvania Residents or local pickup will be charged 6% sales tax on the

 

MtMike Store For auction here is this very nice pair of antique Marchand binoculars. Made in Paris, these bincoculars are marked Day & Night U.S. Signal. They come with the original case. Fair con

 

My father recently passed and had a collection of over 1000 different cups. I am in the process of liquidating them. Contact me if you're looking for anything in particular. This will probably be a sl