This is a large capacity continuous cooling mercury recovery retort, designed to purify your mercury while separating it from your gold. The water chamber is 9 long, 4" tall and 2" wide with a 1/2" ou

 

 

Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

Lot of 5 Vintage Men's Glasses Bifocal Trifocal Five pairs of old glasses. I tried to provide enough photos so that you could tell the condition. PAYMENT Paypal is our preferred method of payment. Shi

 

Older miner’s headlamp by Justrite, their patent number 11220, This is a well used item, in very good condition for its age. Was used in Cananea cooper mine, Overall a neat older mining collectible

 

Here on offer is a set of vintage apothecary weights in the original mahogany box. The box would once have contained two sets of weights, only the larger set remains. The weights are made in brass, th

 

This listing is for a Vintage Riester HOLCO GERMANY Aesculap Otoscope and Ophthalmoscope Case is marked US 6515-550-7199In good used condition! Includes case. Has attachments and four bulbs. SHIPPING

 

I HAVE CONSERVATIVELY DATED THIS FINE GENUINE ANTIQUE BRONZE OR CAST BRASS MORTAR & PESTLE TO CIRCA 1790 IN MY TITLE BUT IN TRUTH IT MAY WELL BE EVEN EARLIER. BOTH PIECES HAVE A SIMPLE LINED DESIG

 

Bruning Vintage Electric Drafting Pencil Eraser Black USED signs of use and scratches. it's working. Accessories: No manual (Instructions), NO other attachments just what you see in the pictures.

 

Vintage German Enbeeco Opisometer Map Measure & Compass This is a fine piece of vintage navigational equipment made by esteemed German company Enbeeco. On one side is a compass which is marked wit