This is a 1 year supply of Barograph Charts At least I think they are, anyway. I don't know anything about them, except that they came from my grandfather's estate and he had a bunch of instruments th

 

Galileo Thermometer: 17" tall, measures from 50 to 84 Fahrenheit, and 10 to 28 Celcius with 9 weights in various colors. What it is: Based on a thermoscope invented by Galileo Galilei in the early 160

 

HI THERE........GOOD CHOICE! YOU'VE LANDED ON ANOTHER... ***TOPTRENDZ AUCTION*** When you decided to stop and view one of my auction items, you certainly made a wise choice, as you automatically guara

 

A neat pair of opera glasses. They measure 4" x 2.5". Has green case with wear. See photos. The binoculars also have wear, too. See photos. On glasses, it reads: Imported by Aloe Herbstein & Co. O

 

two new vintage reusable 10 cc's glass and metal syringe made in Bulgaria. in its original box and instructions for use. included are 10 new reusable metal hypodermic needles 0.5 x 25 in its original

 

ANTIQUE MICROSCOPE SLIDE BY EDWARD WARD. H.M.S CHALLENGER SOUNDINGS. 1850 FATHOMS SEE IMAGES FOR CONDITION. EXCELLENT. I HAVE HAD TO RAISE POSTAGE COSTS DUE TO INCREASED TARIFF FROM ROYAL MAIL. I WILL

 

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

 

Kueffel and Esser Co. Alidade Model T-211618 In Original Case Crystal Clear Optics in a carefully owned and used instrument From the dry, high desert climate of Colorado It is rare indeed to find deca

 

This auction is for the order forms and book- all 10 forms are there (used duplicate copy, of course). It appears that the cover and forms were originally held together with staples, which have been r

 

Crucible Dish & Tong Kit + Borax & Chapman Flux-Gold Recovery-Melting-Silver 400 Your set comes with 1 2-5/8" Dish & 10" Long Tongs Plus apx 1.3oz of Anhydrous Borax and apx 1.5oz of Hank