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Electro-Vac, The Portable Automatic Piano Player

Brochure describing a device that sits on top of the keyboard

Designation: PNO-REG
No.: 7686
Author/Owner/Origin: Uncredited
Pub.Date: ?
Description: Size: 8.5×11, folded sheet
Language: Eng
Source: MBSI
Loan/Own: Loan
Entry Date: 5/18/2014
No. docs. 1