Five drafting pens from the early 20th century. The one of the far left may be mid 20th century. The one on the far left and the one second from the right are marked KEUFFEL & ESSER. Second and th

 

SANBORN VISO CARDIETTE MEDICAL DEVICE SHIPPING IS HIGH IF YOU LIVE ON WEST COAST IF SHIPPING COSTS LESS I WILL REFUND DIFFERENCE

 

What is it? 6 Edmund Scientific Co. Booklets Manuals 1963, No. 9065, Telescopes You Can Build 1955, No. 9044, How To Condense and Project Light 1959, No. 9055, How To Use Your Telescope 1945, No. 9006

 

ANTIQUE MOTHER OF PEARL, RARE GERMAN OPERA GLASSES - BINOCULARS MARKED "W. ZIESENISS HAMBURG" WITH ORIGINAL MARKED NATURAL LEATHER CASE, APPROXIMATELY 1890. A stunning pair of opera glasses, German an

 

Slide rule , any question please let me know. Case is in Fair condition. The Rule itself appears to be in excellent condition. Any questions please let me know.

 

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

 

GOATFREAK64 Store VINTAGE FREDERICK POST ENGINEERS SLIDE RULE 1447 P HEMMI W/ CASE 3 THIS IS A VERY NICE VINTAGE FREDERICK POST COMPANY ENGINEERS SLIDE RULE. MARKED NO 1447 P, FREDERICK POST COMPANY C

 

We Post Worldwide By Air . Please Scroll Down For All Images & Description If Outside of Europe please note import taxes may apply for your country 19thC Portrait Miniature Side Profile of Dr Will

 

This is a lot of 50 Lipitor brand name new pens, 25 of each pictured. They are all black ink, metal/plastic. The blue ones are twisty, and have a glow in the dark logo. The squarish ones are clickers

 

This is a used Olympus microscope purchased circa 1958 in very good to excellent condition. It has course and fine focus controls which operate perfectly. The slide bed has a precision movable stage t