Awesome sign with embossed lettering It says A. M. Wentworth Scientific Optician Portland Maine, 546 1/2 Congress street Portland Maine, and a large pair of early eye glasses. The sign is in Very Good

 

You are bidding on a nice Tacro opisometer with box. This map measuring tool is marked "Tacro, Swiss" on the face, and "Swiss Made" on the back. Very good condition. Plastic case measures approx. 3" x

 

this sale is for the lot of 2 Old Brass Auto Lite Miners Carbide Lamp ... sold as is...

 

nitram1970 Store Fine 19thC Rosewood Brass Mounted Draughtsman Set Lift Out Tray + faux Bone Rule Description : On offer is a very good quality late 19th century draughtman's instrument set. It is hou

 

VEMCO Drafting Machine, Elbow type for right-handed person with original 40 page manual on "How to Use VEMCO Drafting Machines" for Standard and Civil Engineers. Presumably purchased in 1978, it appea

 

Here I am offering for sale this Vintage very rare B A R Ph Control Calculator No 1 as used in the making of jams and preserves. This all brass calculator has two rotating discs fitted on a further br

 

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.

 

UNUSUAL ANTIQUE BRASS SCIENTIFIC MAGNIFYING GLASS MAGNIFY. An Original Antique Magnifying Glass. Possibly from a set or similar. It is brass and in the main stem is a purpose made hole. It all seems t

 

Vintage Brass Mortar and Pestle Honoring Pharmacy Fraternities - Has 6 fraternities and their emblems from 1879 to 1921 Stands 2 3/" - Pestle is marks SCHERING Please, scroll down as there may be addi

 

A collection of old apothecary, chemists weights, ranging from 4 DRACHMS, 2, 1, 1/2, 2 SCRUPLES, 1, 1/2, and thin brass grains, some with bent corners, mostly stamped ER, one stamped GR, in uncleaned