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Mechanism For Winding Perforate Sheet Music – John W. Whitlock

Original US Patent 837,991 to John Whitlock for a music roll winding mechanism

Designation: EPH-PAT
No.: 8218
Author/Owner/Source: U. S. Patent office
Pub. Date: 1906
Description: Size: 8×11.75, 5 pgs., ex. condition
Language: Eng
Source: Bowers
Loan/Own: Gift
Entry Date: 12/1/2018
No. docs.: 1

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