One of a kind 1872 Invention. Original US Patent Model of a Steel Capped Railroad Rail for Steam engine trains. Inventor J.L Booth! Up for auction is an amazing original patent model that has survived

 

Antique "L.E. Knott Boston" Scientific Laboratory Electrical Bridge Instrument. The instrument is beautifully crafted with a mahogany base, a brown gutta percha platform and nickle plated components.

 

ANTIQUE HEARING AID TRUMPET. LOOKS TO BE OF CIVIL WAR ERA...BUT PLEASE ASK QUESTIONS! I AM NO EXPERT. 21/1 INCHES TALL, BELL IS JUST 1/16TH OVER 2 INCHES WIDE.NON MAGNETIC METAL...LOOKS LIKE COPPER. S

 

Rotatable Nicol Prisms, 39mm diameter substage fitments.

 

THE DRUGGIST & PHARMACEUTICAL JOURNAL 1870 Save time & money with FREE Auctiva Image Hosting.Create listings that get noticed! with Auctiva's 1,800+ Templates. Auctiva, The complete eBay Selli

 

What a great vintage piece. It is hand-ground with the rings and measurements on the piece. It is labeled in CC 's with 250 down to 25. It also has two hallmarks on the upper side of the piece. One re

 

Antique carbide coal miners light. Do not know if it works. Appears complete, Base is a bit dented, and has a bit of nicks and scratches around whole piece. Cool piece of antique coal miners equipment

 

I have for auction these three vintage Welch scientific laboratory jars. They are as found and untouched/un cleaned. Each bottle has a label that says; Welch a sign of quality and a mark of service. W

 

Pocket Watch Circular Slide Rule Neat little circular slide rule in the form of a pocket watch just over 2” in diameter, “The Mechanical Engineer” and “Swiss Made”. The large knob moves the

 

ANTIQUE MEDICAL/APOTHECARY/PHARMACY BOXWOOD TREEN PILL SILVERER Get Images that Make Supersized Seem Small.Auctiva's Listing Templates improve your auctions in minutes. Attention Sellers - Get Templat