Download or read book Visual Music Instrument Patents written by Michael Betancourt and published by Wildside Press LLC. This book was released on 2004-01-01 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book is a collection of primary source documents for visual music instruments, often called 'color organs' [or lumia], gleaned from the United States Patent Office."--Back cover.