Mining Districts and Mineral Resources of Nevada Paperback book by Francis Church Lincoln. Published in 1982. It is a photographic reproduction of the 1923 first edition. It is in great condition, all

 

It is approx. 65mm (2.1/2") high Postage is 8.50 GBP by registered mail (signed for) WORLDWIDE Dispatch is within 24 hours from received paypal payment Good luck if you bid for it!

 

VINTAGE 1940's TRIANGULATOR SLIDE RULE MAKES TRIGONOMETRY EASY POCKET SIZE Click image to enlarge Description 9/17    A terrific collectible - A 1940s 'TRIANGULATOR' SLIDE RULE!  'MAKES TRIGONOMET

 

Vintage K&E Keuffel & Esser N4053-3 Mannheim Polyphase 10" Slide Rule w/case K&E Keuffel & Esser N4053-3 Mannheim Polyphase Slide Rule, Leather Case 10" Wood This auction is for a vint

 

THIS IS A SUPER EARLY PAIR OF VINTAGE SIGNED AMERICAN OPTICAL WELLSWORTH GOGGLES/ SAFETY GLASSES WITH PIERCED SIDE SHIELDS. ON ONE SIDE THESE ARE SIGNED AO - OCT 2 -1917 ON THE BOTTOM PERIMETER OF THE

 

Set of two 3 1/2" diameter lenses from an old GE projects build in the early 80's. These are in excellent condition. My eyes can see no chips or scratches. Good luck bidding. PAYMENT MUST BE RECEIVED

 

The body measures 3 3/4 inches tall and 3 1/2 inches wide. On the top there is a lable that says The Grasselli Powder Co. On the bottom it is marked Schaffler's System. The handle turns easily and ret

 

Lot of 5 unique Viagra pens - each have its unique shape and feel! They are all black ink ballpoint pens. All are no longer manufactured. Collect them while you can. Limited quantity. Included in the

 

Poly phase Duplex Slide Rule. The owners name is on the box H.A. Dohertry. Pat. Dates June 5, '00 Dec. 22 '08.The box is in good condition outside. Inside area where you take the cap off, cardboard is

 

A small, student's microscope of brass, demountable parts, double eyepiece lens, single objective lens, mirror has some deterioration spots which still enable a good reflection of light onto the under