C. O. Porter Machinery Co. Serial Number Registry - Jointer No. 449

Machine Serial Number Registry

Manufactured By:
C. O. Porter Machinery Co.
Grand Rapids, MI

Registry Detail

Machine Information
Serial Number:	449
Machine Type:	Jointer
Machine Description:	Heavy Patternmakers Type A, 20"
Owner:	Mark Brockmann
Manufacture Date:	1912 or earlier
Notes:	Serial number is stamped on the drive side babbitt cover, and '20A' is cast into both babbitt covers. Cutterhead is an Oliver "Safety Cylinder", patented in 1908 and manufactured in 1912. It therefore seems likely that this machine is either 1912, if the cutterhead is original, or earlier.

Machine Picture

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