Hard to find these anywhere! Here are a pair of very cool 1930's GE (General Electric) metal knobs from a mining smelter in Hornsilver (Gold Point) Nevada. They are to adjust resistance on a control p

 

Vintage 1960's large three dimensional 3 - D anatomical scientific promo promotional model of the human kidney organ on the original clear plastic display stand. It measures 5 1/2" tall in the stand a

 

WWII GERMAN MILITARY MEDICAL FIELD KITDIRECT BLOOD TRANSFUSION German patent, 1940sProduced by B. Braun - Melsungen The kit is new, never used! In great collectors condition.Worldwide shipping - 30 US

 

Vintage Tasco 900x zoom lens microscope with wooden box complete kiteven has a sealed jar with bug in liquid. any questions please ask.

 

Set of two 3 1/2" diameter lenses from an old GE projects build in the early 80's. These are in excellent condition. My eyes can see no chips or scratches. Good luck bidding. PAYMENT MUST BE RECEIVED

 

Alro 200R Very rare dutch circular slide rule ALRO 200R After 2 years I have started again to sell some of my slide rules and some other interesting things about calculating. I offer a very rare dutch

 

Thanks for stopping in. It's a nice addition to your game or family room. Shipping is to the USA only.

 

In good shape for age. Has wear from age / use .Could use a light cleaning Selling as pictured . Please see pictures. Selling as-is, as found due to age / enjoyment . Please bid accordingly. Email any

 

I have an exclusive arrangement with the internationally known artist "Piechko", to be the sole internet provider of his unique ear trumpet creations! His inspiration for these unique pieces comes fro

 

Vintage Hemmi Sun No. 250 Slide Ruler, made in Japan. Excellent condition with no chips or breaks. The cursor moves freely and has no cracks. Measures 12 5/8" long. Feel free to ask any questions.