alpheus babcock造句

• By 1820 the Mackay family, including G . D . Mackay, Ruth Mackay, John Mackay, and perhaps others, were manufacturing pianos with Alpheus Babcock.
• Chickering patented single piece iron frames combined with wrest plank bridges and damper guides in square pianos, and with massive wrest plank terminations in grands; Chickering & Mackays were assignees of an action patented by Alpheus Babcock, and licensed actions patented by Edwin Brown and George Howe.
• The single piece cast iron frame was patented in 1825 in Boston by Alpheus Babcock, combining the metal hitch pin plate ( 1821, claimed by Broadwood on behalf of Samuel Herv?) and resisting bars ( Thom and Allen, 1820, but also claimed by Broadwood and 蓃ard ).
• The single-piece cast iron frame was patented in 1825 in Boston by Alpheus Babcock, combining the metal hitch pin plate ( 1821, claimed by Broadwood on behalf of Samuel Herv?) and resisting bars ( Thom and Allen, 1820, but also claimed by Broadwood and 蓃ard ).