Slide rule c 1959 belonged to former Congressman Bob Filner who started college as an engineering student before switching majors and obtaining his PhD in history of science.

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

Vintage German Enbeeco Opisometer Map Measure & Compass This is a fine piece of vintage navigational equipment made by esteemed German company Enbeeco. On one side is a compass which is marked wit

 

VINTAGE GERMAN POCKET SLIDE RULE WITH CASE AND INSTRUCTIONS IN GERMAN SUPERB CONDITION PLEASE SEE HI-RES PHOTOS FOR EXACT CONDITION BRIEF TERMS Please wait to be invoiced at auction end. Insurance is

 

HUGE Combined Shipping Discount! Domestic: ~~~ Just 25 cents each additional set! ~~~ Win 20 or more sets, and shipping is only 25 cents each set! ~~~ Please Wait for my Combined Invoice! Internationa

 

imperial5 store VTG Large 11'' Glasco Measuring Beaker Laboratory Pharmacy VTG 32 oz Pour Spout

 

THERE ARE 11 TUBES ALL IN GREAT SHAPE MADE IN BOSTON

 

Fascinating scope. Dual axel rotating object drum. Spinner can be turned on one axis to change the colors and turned on the other axis to change patterns. 2 mirror 6 point system. Third side of mirror

 

Up for auction is a vintage Binary Slide Rule with case and instructions. The slide rule measures 8 and 5/16th inches (not including transparent arm). On the side with 2 arms, it says, "THE BINARY SLI

 

VTG CHEMISTRY APOTHECARY LAB GLASSWARE PYREX BEAKERS FISHER BUNSEN BURNER MIXED LOT PH.YDRION PAPERS 4 OLD PYREX BEAKERS, ONE STOPPER ONE UNKNOWN SMALL BOTTLE WITH RUBBER TUBE 2 X LITMUS PAPERS 1 BOX