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

 

This plaque recently was purchased at a local estate sale, where a family member indicated that it most likely dates to no later than the 1950s; however, this has not been confirmed. This cast plaque,

 

The Kit Includes: 1 - • Magnetic Capacity: 8 LBs - • Diameter of Magnetic Base: 2-1/4" - • Pull Handle Quick Release - • Rubberized Grip Handle - • Compact Size - • Weight of Object must b

 

This is a Picket slide rule from the Cleveland Institute of Electronics and the patent date goes back to 1964. The slide rule is a plastic I think with metal on all the edges including the center slid

 

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

 

These antique French Lemaire f Paris opera glasses are mother of pearl and brass. They are in good condition, with some minor scratches on the brass. They are fully functional with crisp optics. They

 

You are bidding on a Universal Shunt Type 4309-B manufactured by H.Tinsley & Co, London. This piece of equipment would have been used with a vibration galvanometer to provide a variable resistance

 

Just in time for Christmas! We're selling this antique surveyor's compass from France! The compass has a diameter of 3 & 9/16" not counting the attached piece on the side of the body, there is a n

 

ANTIQUE MICROSCOPE SLIDE BY ALFRED REEVES. MICROPHOTOGRAPH. THE INTRODUCTION OF CHRISTIANITY INTO BRITAIN. SEE IMAGES FOR CONDITION. EXCELLENT. NEAR TO MINT CONDITION I HAVE HAD TO RAISE POSTAGE COSTS

 

Vintage Brass Mechanical Drafting Set in Wood Box Box is 8" X 5" X 1-½" and in good condition with working key; bottom of box as shown.