Table of Contents

Patent XC-853: 1858-07-13, Instrument, called Cole's Gravitating Plumb and Level

X Number Date Inventor City Title
XC-853 1858-07-13 A. N. Cole Brockville, ON Canada Instrument, called Cole's Gravitating Plumb and Level

Comments

XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

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