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 422
and piano and the physical laws applied to it. The following patent was transmitted, respectively, to each of the two members of the firm : The Royal Academy of Arts, in the session of the Senate of January 4, a. c, has elected the pianofortemanufacturers— THEODORE STEINWAY,WILLIAM STEINWAY, - New… … Berlin, February 5, 1868. By order of the Senate: ED. DAEGE. O. F. GRUPPE.