RARE ANTIQUE "W.P. Heinekin" Large Wooden Gear Mold, 17 Teeth, Museum (see desc)

Description

EXTREMELY RARE ANTIQUE "W.P. Heinekin" large wooden foundry gear mold. 17-3-8 (17 teeth, 3" spaced/pitch, 8" high). Exquisitely made. Measures approximately 18.5" diameter & 10.75" depth. Weight is 23.5 lbs. Original paint, screws, tacks (tiny nails), embossed metal lettering/numbering & name stamped/engraved. Exactly as found. This is a 'museum like' piece of scientific history.
W.P. Heinekin (along with A.T. Child) New York City.
(Canadian Meeting, August, 1900)
"The Micro-Structure and Physical Properties of Cast Iron, as Affected by Heat-Treatment, Especially in the Manufacture of Malleable Cast-Iron."
•American Institute of Mining Metallurgical and Petroleum Engineers
•Society of Mining Engineers of AIME
•American Institute of Mining and Metallurgical Engineers
Please see all pictures. Please serious inquiries ONLY. This is for the most serious of collectors. Item was found in the upper level of a small barn on my late uncle's estate in Tivoli, NY. Will be packaged extremely well to assure no damage.