Key to the Steel Square by A.W. Woods, complete with black leatherette case, circular slide rule, and instruction manual. Originally copyrighted in 1902, this is the eighth edition which was printed i

 

CIRCA 1930 ' SEE-THROUGH ' COMPASS. Nice little compass made of chromed brass with clear glass to both sides enabling it to be used from either side. It is marked 'foreign' to the edge so it was proba

 

CIVIL WAR ERA SURGICAL / DENTAL TOOTH EXTRACTOR -PURCHASED IN EARLY ANTIETAM COLLECTION - GREAT UNTOUCHED PATINA -

 

Antique Midgard Pocket Microscope DescriptionLovely Antique brass miniature pocket microscope with glass slips and slidesComes in original box with instructionsProduced by the Science Accessories Co i

 

CALOUSTE GULBENKIAN FOUNDATION SCIENCE DEPARTMENT MODERN ART CENTRE JOSE DE AZEREDO PERIDIGAO. c1997 .. UNBIVERSITY OF COIMBRA FACULTY OF SCIENCE AND TECNOLOGY PHYSICS MUSEUM .... PRINTED IN ENGLISH !

 

A good 19c brass Fish-plate, measures 13.5c of just under 5.5 inches. The glass has a small chip to one edge not too obtrusive but easily replaced if so wished, I prefer to leave original glass in. Pa

 

Listed is a WWI era package of what I think is "Quack Medicine". It is marked "HUMPHREYS HOMOEOPATHIC PAINFUL MENSES". I believe it to be a glass bottle full of pills but cannot really tell because th

 

This is an antique WECK German made adenoid excision devise from my collection. Yeah I know pretty brutal! This device is basically the love child of a syringe and a guillotine, you would just pull ba

 

Please find for auction a very nice condition ~100 year old antique DC Emerson cast iron appliance motor. These old motors were used at the turn of the 19th century to drive such appliances as washing

 

For sale is a VERY HARD TO FIND LOT OF 2 SCIENTIFIC INSTRUMENTS. These are STERN TYPE TONE VARIATORS. They were made by Max Kohl & Chemnitz out of GERMANY. These are BRASS & CAST IRON. They ar