An amazing machine that sits in front of your piano and plays it, as you pump. Here's a discussion. Ad published in an early 1900's issue of HARPER'S MONTHLY.
Source: Mariangela Buch
Restoration by: magscanner
An amazing machine that sits in front of your piano and plays it, as you pump. Here's a discussion. Ad published in an early 1900's issue of HARPER'S MONTHLY.
Source: Mariangela Buch
Restoration by: magscanner