Click to Enlarge Click to Enlarge Click to Enlarge Offered for auction is a vintage brown leather belt clip for a K + E slide rule case. It is 4 1/4" long and in very good, used condition. Payment is

 

Thiourea is also known as thiocarbamide. White, lustrous crystals with a density of 1.4 and a melting point of 180 degrees Celsius. Soluble in cold water. It's uses include - photography (removing sta

 

Here we have a german vintage antique (?) rare medical doctor bag out of brown leather with light decoration seams. The closure is out of metal and the handle out of leather. It is pre-owned and in ve

 

iGaging Digital Compass + Divider 0-8" Digital Compass + 0-16" Digital Divider Item#35-CD28 · Precision Drawing & Marking Instrument· Large LCD, Reading in : Inch, Inch Fraction and Metric · Al

 

2-SCRIMSHAW CARVED TOOTHPICK HOLDERS-RHEUMATREX ADVERTISING-EXCELLENT! NO CRACKS OR CHIPS. CARVINGS ARE VERY NICE. INTERESTING AND UNIQUE ADVERTISING PIECES! LOOKS TO BE MADE OUT OF A BONE OF SOME KIN

 

This is a very early antique slide rule. Frederick Post Co, #1441. This is a smaller version of 4". Previous owner has inscribed name on back of slide rule as well as inside and back of leather case.

 

This is for a nice old pair of Edwardian binoculars with an unusual red shagreen wrap on the barrels. They are brass with a black finish and the shagreen is vivid red. They extend in and out to focus

 

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

 

Old BARIGO pocket barometer, made in Germany in excellent condition. 2 1/4 in. across X 3/4 in. thick. No scratches in top see through covering. The barometer case bottom has a few hardly noticeable h

 

*Vintage* Wooden Leeds & Northup 1950s Potentiometer "18671" Product Description PLEASE READ CAREFULLY! Up for bid is this *Vintage* Wooden Leeds & Northup 1950s Potentiometer "18671" . This i