Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 186
E FACTTHAT THE MOST IMPORTANT OF THE ABOVE IM-PROVEMENTS, AND OTHERS EMPLOYED, ARE PA-TENTED AND EXCLUSIVELY CONTROLLED BY THEMASON & HAMLIN ORGAN COMPANY, AND CAN BEFOUND ONLY IN THEIR INSTRUMENTS. This fact ismade prominent, because, since such great reputation has been at-tained by the Mason… … ESTABLISHED 1828. THE J. L. MOTT IRON WORKS,
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