1917 AEOLIAN PLAYER PIANO PDF

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Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by AEOLIAN CO filed Critical AEOLIAN CO Priority to US192006A priority Critical patent/US1782061A/en Application granted granted Critical Publication of US1782061A publication Critical patent/US1782061A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee AEOLIAN CO Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US192006A Inventor Joseph H Dickinson Current Assignee (The listed assignees may be inaccurate.

1917 AEOLIAN PLAYER PIANO PDF

Google Patents Expression device for automatic pianosДownload PDF Info Publication number US1782061A US1782061A US192006A US19200627A US1782061A US 1782061 A US1782061 A US 1782061A US 192006 A US192006 A US 192006A US 19200627 A US19200627 A US 19200627A US 1782061 A US1782061 A US 1782061A Authority US United States Prior art keywords valve regulator expression port instrument Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Google Patents US1782061A - Expression device for automatic pianos US1782061A - Expression device for automatic pianos

1917 aeolian player piano