Antique John Browning Brass Spectroscope with Fitted Leather Case, 19th C. Please scroll down for more images! Description: Antique John Browning Brass Spectroscope Scientific Instrument, 19th C. Engl

 

Here is an awesome lot of U.S.A. Standard Sieve Series wire cloth seives. (3) in all...the numbers are...1) Sieve # 100 opening 0.0039 2) Sieve # 200 opening 0.0029 3) Sieve # 325 opening 0.0017. All

 

This antique folding binaural stethoscope belonged to my grandfather, who had a medical practice in Berlin, Germany from 1896 through 1933. There are separate, interchangeable, bell and diaphragm ches

 

These opera glasses are quite unusual in that the inlay material is a natural and rare form of shell that forms lumps or hob-nails as I call them in the nacre. If someone knows the proper term please

 

Up for auction is an antique aneroid pocket barometer and altimeter used in WW1.It is compensated for temperature, the barometric range is from 21 - 31 inches,and the altimeter scale range is from 0 t

 

For sale is an Rare Antique Desk Top Bulls Eye Magnifying Glass. The lens is fully adjustable. It moves up and down the main Pole, extends away from the pole and the lens itself can be fully rotated a

 

Working. One attachment. Cord is in good condition. The vibrator is quite noisy.

 

HERE IS A 1892 ANTIQUE MEDICAL JOURNAL of AMERICAN SCIENCES BOOK IN FAIR TO GOOD CONDITION FOR THE AGE.........USE PHOTOS FOR JUDGEMENT...............

 

millstone31 Store On offer here is a hardback book titled THE BLACK DEATH – A CHRONICLE OF THE PLAGUE compiled by Johannes Nohl from contemporary sources. Published by George Allen & Unwin Ltdin

 

2434 - Handsome instrument obviously well cared for during the past century. London's Short & Mason Ltd produced this exceptional instrrument displaying inches of mercury of barometric pressure fr