For sale, from my collecting efforts of 40 years ago:

1. "The Perforation of Music Rolls with the Leabarjan Perforator",
32 pages, size 8-1/4x11 inches

2. "AMPICO Recordings 1933 Handy Volume Catalog",
80 pages, size 5x7-1/2 inches, reprint

3. "The AMPICO Reproducing Piano Inspectors Reference Book - 1923",
19 pages, size 6x8-1/2 inches, reprint

4. "AMPICO Reproducing Piano Service Manual - 1929",
56 pages, size 7x8-1/2 inches, reprint

5. "AMPICO Recordings Handy Volume Catalog - supplement January 1931",
8 pages, size 5x7-1/2 inches, reprint

6. "DUO-ART Reproducing Piano Service Manual",
47 pages, size 7x8-1/4 inches, reprint.

Ellsworth Johnson
Spokane, WA