I am offering for your consideration a Key Line "Concise" circular slide rule, marked AMP (aprox. 3 1/4" dia.) with directions and case. It is in like new condition. Happy bidding !

 

Here is a Vintage Dietzgen Drafting Set made in Germany U.S.Zone-- Pennsylvania State University Special. It is in need of a good cleaning and it may be made of nickel or stainless steel. There are Fo

 

ray54188 Store Description FROM THE MINIMAL RESEARCH I HAVE CARRIED OUT ON THIS RARE SOLAR MICROSCOPE I WOULD SUGGEST IT DATES TO THE MID 19TH CENTURY. MEASURING IN TOTAL 15.5 INCHES TALL THE LARGE CI

 

This was given to me when i moved a few years ago but it was not new then. Just admired the piece. marked made in Germany nice wood detail like a cuckoo clock all complete and works well very simple P

 

a boxed student microscope with a few glass slides. In good condition considering it's age.

 

Item is in Like new condition item has barely any visible marks on it. Pretty much flawless. MINERVA OPISOMETER Swiss-made Minerva Opisometer or Curvimeter for measuring non-linear distances, as on a

 

This is an old low vein MSA COMFO-CAP.It is in good condition with very light scratches,the inside of the hat is in great condition.I bought this hat in Bluefield,West virginia many years ago.The insi

 

Rare M-73 CompassMade in the UK Auctioning a Rare Vintage M-763 Compass Best Compass out there , some Cosmetic wear good Working Condition.........

 

VINTAGE SURVEYOR'S 100' CHAIN, NO KINKS, NO BREAKS, NO WELDS. DO NOT KNOW HOW OLD IT IS. EMAIL WITH QUESTIONS AND THANKS FOR LOOKING AND BIDDING!