Vintage 1499-H Precision Pantograph by Post Heavy Duty metal. In excellent condition. All parts and instructions are here. Box is stained on outside but not inside. There is a broken gasket which was

 

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

 

An unusual old medical instrument. Used, I understand both for phrenology and more traditionally main stream medical purposes, a pair of cranium callipers. Made by Maw of London, with hand punched num

 

3 x Vintage Wood Measuring Rules Rulers Rabone, Armstrong, Wooden Firstly... to really appreciate the item you need to ENLARGE the photographs...left mouse click ...they may look a differant colour du

 

GOATFREAK64 Store VINTAGE PICKETT & ECKEL INC. U.S. MILITARY SLIDE RULE MODEL NO. 14 W/ CASE THIS IS A VERY NICE VINTAGE PICKETT & ECKEL INC. U.S. MILITARY ENGINEERS SLIDE RULE. MARKED MODEL N

 

Up for auction is a Keuffel & Esser No. 55 1806 Mark I Beam Compass, with interlocking sections extending to 24" maximum length. Bars are stainless steel. This vintage drafting tool was acquired a

 

Auction is for a rare unused original elevator sticker that was put on elevators that were made and maintained by Otis. Excellent condition, colors are bright and true and there are no rips or tears.

 

Vintage Pickett & Eckel Trig Slide Rule Model N1010-ES 12" Excellent condition. Copyright 1959. Comes in its original Picket case. Thanks for Looking!!!

 

AT AUCTION! Vintage Van Cort Antique Brass Kaleidoscope from Instrument Makers. Very heavy nice piece with beautiful colors inside when turned in any direction. Comes with a nice wood stand and has no

 

Vintage Medical Equipment - LOT #4- Penlong Laryngoscope with Penlon 3 Harris-Lake Blade- Foregger Folding Scope Laryngoscope with Sun-Med Extender and Foregger 4 Guedel Blade- Penlon 4 Macintosh Blad