For sale: I have a pristine, original, unmodified Sight-O-Tuner with
instructions and stretch cards. It seems to work fine. Good for tuning
pianos, organs, or other tuned instruments. If anyone is interested,
I would like to sell it. Please write; thanks.
firstname.lastname@example.org [delete ".geentroep" to reply]
[ Jerry kindly provided some additional information. The device is
[ serial no. 7502, the last patent number is 4,015,218, and Jerry
[ bought it new almost 30 years ago from Tuners Supply Co. -- Robbie