Two old, apothecary weights, in brass, In light tarnished, legible, condition.

 

Mining, Blasting; Explosives Manual: DU PONT BLASTERS' HANDBOOK The DU PONT COMPANY BLASTERS' HANDBOOK, Revised (175th Anniv. Edition) Covers: Background, Types, Methods and Techniques, Applications,

 

6 DIFFERENT NICE NICE CONSOL COAL CO. COAL MINING STICKER GREAT CONDITION IF YOU BUY MORE THAN ONE SET, THERE IS DISCOUNTED SHIPPING!! 1-5--- $1.00 EACH ADDITIONAL 6-10-- .50 CENTS EACH ADDITIONAL 11

 

Vintage Painted Brain Model Two piece life-size model made of foam.

 

Calcium acetate monohydrate is a white powder with a slightly bitter taste and slight odor of acetic acid. Decomposes on heating forming acetone and calcium carbonate. Soluble in water and slightly so

 

you are bidding on a VINTAGE MILE PEDOMETER........... IN ORIGINAL BOX WITH INSTRUCTIONS MADE IN WEST GERMANYThis item fits around the ankle. IN GOOD USED CONDITION

 

This slide rule is used to calculate dew point andrelative humidity 11 inches in diameter and 20 scales

 

These clip on sunglasses from Lawrence & Mayo London come in their original, blue velvet lined, leather pouch (which does have slight dent, clearly visible in photo). I have no idea about age - to

 

ENGLISH BAROMETERS OF 1680-1860 HCDJ-FIRST EDITION 1968 BY: NICHOLAS GOODISON A History of Domestic Barometers and Their Makers. Contains 353 pages and is in very good to excellent condition other tha

 

ANTIQUE MICROSCOPE SLIDE BY W.A.FIRTH. DIATOMACEAE. AULACODISCUS MARGARITACEUS. FROM MERILLONES, BOLIVIA. FROM THE COLLECTION OF J.G.BRADBURY. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE AN