This Plain businessman started a computer service for the Amish. Does it do too much, or not enough?

From his machine shop among corn and bean fields on Kurtz Road near Ephrata, Lancaster County, Allen Hoover sells 1970s-style ...
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Allen Digital Computer Organ

This organ was made by Allen Organ Company in Macungie, Pennsylvania, in 1971. It is a Digital Computer organ, System 300 model, with two keyboards, pedalboard, and bench. Accessioned with original ...