Up for auction is a pair of very ornate American Optical 1/10 12K gold filled Pince Nez eye glasses with their case. From out side of the lens to the outside of the lens they measure 4". The lenses me

 

The title page reads in part : "Obstacles to Sanitary Marriage. Published by the Bellevue Medical Institute, Chicago, ILL." The verso of the title page reads : "Entered according to Act of Congress in

 

Antique 1896 Diatoms in Situ Microscope Slide by G.P. Chapman Bridgeport, CT Description: This is an antique 1x3 inch glass microscope slide Diatoms in situ. It was prepared by G.P. Chapman of Bridgep

 

All three items in excellent condition. The Polar Planimeter 620000 and the Doric Lettering kit are complete and like new.The drafting tool set #896NP is complete and looks great for its age (early 19

 

This an awesome vintage electric piece would make and excellent addition to anybody's miner collection or steampunk outfit. The Edison Model P Cap Lamp was first used in mines in 1912. The back of the

 

Offered here is an original hard bound copy of the Economic Geology of the Georgetown Quadrangle, Colorado. Professional Paper 63, published in 1906. Includes 422 pages and four full size maps that sh

 

I am disposing of a large amount of great collectible items that I recently inherited. All items have been in storage for over 30 years and never before offered for sale on eBay. I am not a dealer and

 

sushimonster Store RARE EARLY 20TH CENTURY UNUSUAL MULTIPLE SCALE ARCHITECT'S 9 INCH RULE RULER

 

KUSADASIKIDMARK Store Description SET OF BRASS CASED FOLDING POCKET GUINEA BALANCE COIN SCALES IN WOODEN CASE. CONDITION IS GOOD UNCLEANED WITH PUSH BUTTON CASE RELEASE WORKING AS SHOULD, THE CASE IS

 

Offered here is a hard bound First Edition copy of a Manual of Mineralogy including Observation on Mines, Rocks, Reduction of Ores.... By James D. Dana, published in 1874. Includes 260 illustrations a