These 5 slides are all thin sections of rock and best viewed under polarised light. The most striking image is the only slide without any information ,but looks to be a form of granite. The next is Fe

 

I am selling this lot of 200 drug rep ink pens. Many are made of heavy metal and some are plastic. These pens are in very good to perfect condition. I have not personally inspected every single one of

 

FRESH FROM THE ESTATE OF A DENTIST IS THIS CHARMING VINTAGE "SWEET TOOTH" CANDY JAR/BOWL FROM HIS DENTAL OFFICE, AND IS CIRCA 1930'S-1940'S. IT MEASURES APPROXIMATELY 5 1/4" TALL AND 4 1/2" ACROSS. IT

 

THERE ARE 11 TUBES ALL IN GREAT SHAPE MADE IN BOSTON

 

Sun Hemmi bamboo slide rule No. 64 System Rietz, complete with cardboard box, see pictures. ((Règle á calculer, Rechenschieber, règle á calcul, slide rule, rekenliniaal) Questions will be answered

 

Here is a lot of Mathematical devices, Calculators, a Faber Castell Slide Rule Made in germany and a Casio Electronic Calculator For Parts Only. The Slide RUle Is Functioning!

 

ANTHRACITE BITUMINOUS COAL MINES ON PA RAILROAD AND LATERAL LINERS. 1949. GOOD CONDITION.

 

I am 73 years old and my parents bought this drafting set for me when I started high school. It cost $15 at the time and that was a lot of money for my family back then. Case shows wear but not really

 

B-P Sterilizer with all parts shown in the photos. The pyrex is not cracked or chipped. It is dirty and needs a good cleaning. The green rubber part is warped and is not attached to the lid. It needs

 

Up for auction is the awesome Vintage Working Master High Frequency Voilet Ray Generator - Quack Medical Device. This was used many many years ago to relieve pain. Door to door salesman would go aroun