An excellent condition unbranded altimeter / barometer in black plastic housing with easy to read 2 1/2 inch dial type face. Tests accurate when compared to my GPS. It was made in Japan but there are

 

Offered here without reserve is this truly rare spiked tommy. While normally associated with mining, the unique gimbaled assembly (in fully working order so that the candle is unaffected by the angle

 

ANTIQUE VINTAGE SPENCER Monocular Medical Microscope Original Box WITH KEY APPROX. 1930'SCOMPLETE WITH EXTRA LENS, COLOR LENS SKINS, PAPERWORK ETC... THIS IS A BEAUTIFUL PIECE OF HISTORYA GREAT ARTIFA

 

This is a Vintage Tin calendar from Air Products of Allentown Pa. Measures 8 ¾ x 20 inches. The replaceable paper calendar is long gone. Sign in is truly excellent condition, with just a little disco

 

ANTIQUE MICROSCOPE SLIDE BY RICHARD SUTER. VERY RARE DIATOMS. TERPSINOE MUSICA. FROM THE COLLECTION OF J.G.BRADBURY. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE ANTIQUE MICROSCOPE SLIDES OF

 

Item is in good condition, no cracks or scratches. Measures appr. 4" tall and 4.5" wide. Posted with eBay Mobile

 

Slide rules are new in box. They include everything shown in the picture. Leather case, instructions, cardboard storage box. Only shipping to U.S. addresses. No international bidding.

 

Size is 29"x35" with the wooden dowels adding a few inches to top and bottom. Paper on linen backed scientific chart. Made by Hagemann Company; Drosophila sex-linked II (criss-cross). There are 2 smal

 

This listing is for an amber Eli Lilly Sodium Phosphate bottle with contents, cork and metal measuring cap. Bottle measures 6.75" tall and 2" in diameter at the base. No chips or cracks in bottle. Aqu

 

At auction is a vintage 1965 Framework Molecular Models kit by Prentice-Hall Inc. Englewood Cliffs N.J. w/ original instruction booklet. Condition: The modeling kit as pictured is in good condition, a