"Back again with pick, shovel & pan seeking my fortune...Bob" Addressed to Charles Edison, Esq. at Thos. A. Edison Inc. Orange, N.J. Thomas Edison had died in 1931 and his son Charles took over th

 

Classic Keuffel & Esser Log Duplex DeciTrig slide rule. The latest patent dates from 1940, and Mr. Lundin was already a graduate student in Chicago by 1950, so the timeline for dating this is pret

 

STUNNING WWII Vintage Cased Inclinometer Spirit Level MAKERS MECHANISM Old Tool Click Images to Enlarge You are bidding on a stunning WWII vintage Mahogany Cased Precision Inclinometer Spirit Level In

 

this articulated skull is sold for educational and or medical use. Spring-wired jaw and cut calvarium Look at the molar growing because there is no one opposite. Strange facial feature; the big dent u

 

icollectubuy Store Description Excellent Certified Nurses Aide Pin (13A1)- Note: USPS shipping rates more than doubled as of 1/28/13 - my rates are postage and supply cost. I can review with any buyer

 

VINTAGE K & E SLIDE RULE POLYPHASE NO. N4043-3 MADE IN USA GREAT CONDITION WITH CASE ORIGINAL BOX INCLUDED BOX TOP HAS SOME WRITING UNDER COVER NO BREAKS FUNCTIONS PERFECTLY LOW STARTING BID OF ON

 

PROPHICIAL BAUSCH & LOMB MICROSCOPE WITH 100 & 430 OOWER THIS WAS A SURPLAS ITEM FROM THE UNIVERSITY OF OMAHA WHEN THEY UPGRADED THEIR LAB SOME YEARS AGO IT USES A MIRROR FOR LIGHR AND IS IN V

 

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

 

Very nice K & E Slide Rule with hard shell case, not many like this and am sending a couple slide rule manuals. Look at pictures and questions, just email. Shipping is $5.00 anywhere in the U.S.

 

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