A wooden rotor variometer from the early 1900s and a pair of number 30 triode amplifiers from the 1920s on an oak base with solid brass corner posts and dense piano felt feet.

 

Miners closed style frog lamp from the Harz area of Germany. Brass with sliding access to oil vessel. In my opinion this is not that old - maybe from the 1920's or 1930's. It is a replica of a rare la

 

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The ABC of Electricity by Wm. H. Meadowcroft, endorsed by Thomas A. Edison, copyrighted 1888. Excelsior Publishing House, McKeon & Schofield Propietors 8 Murray St. New York, NY Explains, volts, A

 

Very nice larger apothecary or general store jar with the glass ground for the lid fitting. This jar is in very good vintage condition with no chips cracks or breaks but many air bubbles within the gl

 

These 16 Microscope Slides are all of Botanical subjects and over 50% have been professionally prepared. There are two unnamed slides i.e. the green paper covered one and the one annotated with a numb

 

19TH C. ANTIQUE APOTHECARY GLASS BOTTLE DECO LABEL THIS IS 19TH C. ANTIQUE APOTHECARY GLASS BOTTLE DECO BLUE CORNERED LABEL. THE GLASS IS IN GOOD CONDITION AND BOTTLE HAS MINOR CORNER PAINT ERASES ON

 

This listing features a neat, old, dated 1907 through 1915 Obstetrical Record book. It has names and dates but no Doctor's name or location. Of the 200 pages, 142 pages have information. The pages hav

 

Original PROHIBITION WHISKEY WINE PRESCRIPTIONS Old Medical Alcohol Pharmacy Bar

 

Up for auction is a scarce biography of the little-known but influential early American chemist and pyrotechnics expert, entitled JAMES CUTBUSH, subtitled, An American Chemist, 1788-1823. By Edgar F.