Beautiful USSR Barometer 1972Perfect item for your colections.

 

Classic Keuffel & Esser Log Duplex DeciTrig slide rule. The latest patent dates from 1940, and Mr. Lundin was already a graduate student in Chicago by 1950, so the timeline for dating this is pret

 

This is a brand new and in box of the #91494 Prismatic Wand. There is instructions with it. The main color is purple. The base measures 8" long. and the wand measures 11 1/2".

 

TINDOUF Tindouf Found 1997 Chondrite H6 Specimen is a 1.28g slice Tindouf Basic information Name: Tindouf This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this m

 

Vintage de Mott Clown and Carousel Ponies - you just have to love them. They are in excellent condition for their age and I can't see and chips or damage - possibly on the one black carousel pony - th

 

We Ship Worldwide Please see details,We Combine shipping charges on multiple purchase of Items Vintage Slide Rule Dring & Fage Makers Stamford London having been a military item On offer here is a

 

Leitz microscope objective NPl 6.3 x This is in very good condition giving superb results ,

 

As pictured is a booklet of mining history. Its a compilation of articles and pictures provided by the Shamokin Citizen Newspaper.  Great Stories from the Molly Maquires to Unions and Strip Mining .

 

Up for auction is a fully marked Keuffel & Esser 1376P-9 Paragon Drafting Machine Scale 18” with metal clips, wood, in its original case. It measures 18 ¼” long x 1 ½” wide. Condition: ver

 

Here's a working model (roughly 6" plastic) Astrolabe, complete with a 35-page softcover book, The Astrolabe by Harold N. Saunders, B.Sc, A.R.I.C., (c) 1971. The book offers the history and constructi