Antique Style Adjustable Magnifying Glass w Wood Base Solid Brass

 

I am offering a picket trigonometry slide rule and case in excellent condition. Good luck and happy bidding. Posted with eBay Mobile

 

Here at Miners Depot, we are committed to offering exceptional values to our customers while maintaining a level of customer service you just don't find these days! Up for bid is an excellent conditio

 

The scale and box both show signs of wear consistent with normal use and age.

 

Offered here is an original vintage rubber stamp from the ASARCO Leadville Unit, Leadville, Colorado. Wooden handle, with a makers mark that reads "Sachs Lawlor Denver 777-7771." Measures 3.0 x 2.0. A

 

Antique wooden slide rule made by Keuffler and Esser Co. of New York. Patent 1,934,232. I'm told these are from the 1930s and I believe the 38 reference on the leather case refers to the individual's

 

ANTHRACITE BITUMINOUS COAL MINES ON PA RAILROAD AND LATERAL LINERS. 1949. GOOD CONDITION.

 

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

 

"VIBRATION MOTOR". Use this "Vibration Motor" on your Dry Washer, High Banker, Mini Power Sluice, Gold Wheel or ??? to help move the raw material and further classify the concentrates. To all of my fe

 

I have an exclusive arrangement with the internationally known artist "Piechko", to be the sole internet provider of his unique ear trumpet creations! His inspiration for these unique pieces comes fro