Ample is 7 3/4 x 1 1/4 diameter. Very unusual mint condition . I have two of them. The other is a tad less shiny. Very collectible.

 

Interesting Darlaston mount to show scintillation produced by the ionizing radiation(alpha particles) emanating from a radioactive source (Radium salt) impinging on a Zinc Sulphate substrate. Suggeste

 

Vintage Pocket Barometer by Negretti Zambra, London. It is brass, but the glass is intact and the brass is not dented. The diameter of the dial is2 3/4". All original internal parts are present.passed

 

Old photo of Centennial Copper Mining Co. miners posing wearing their carbide cap lamps and their traditional Lake Superior mining hats, with their round lunch pails. The Centennial Mine was an underg

 

Very large CENCO spark coil, circa early 1900s. Excellent clean condition, complete with no missing parts. The base measures 15.75'' x 8.75'' 10'' tall. Please take a look at my other auctions for mor

 

Original underground photograph dated 1908. There's a lot on the web about the NEW RAMBLER MINE and the GRAND ENCAMPMENT MINING DISTRICT, especially regarding the occurrence of platinum group metals.

 

antique glasco apothecary jars for dr office

 

...........From the estate of a Cambridge University academic, this excellent quality microscope looks to be in good condition, untouched for a while, so in need of a clean and overhaul............ J.

 

UP FOR BID IS A SMALL FIELD POCKET MICROSCOPE. 2 INCHES HIGH X1 3/4" AT THE BOTTOM. NO DINGS OR DENTS TO THE BODY. COMES WITH THE 2 SMALL GLASS SLIDES. THE OBJECTIVE UNSCREWS FOR CLEANING. AS FOUND.

 

Here is a unique opportunity to bid, WITHOUT RESERVE, on a guaranteed genuine, rarely seen, DR ROBINSON BALM OF TULIPS GLASS VIAL which dates to the 1880s. The unopened glass vial, complete with its e