[pianotech] CONCERT PITCH 440/442?

[Ron Nossaman]

Delwin D Fandrich wrote:
> Or do what a visually impaired friend of mine did. Have a few forks made up with
> identical pitches (A=440 Hz) but marked A=440, A=441, A=442, etc. I seem to
> recall they went up to A=445. Then ask the person making the request to pick out
> the appropriate fork. Claimed he never had a problem.
> 
> ddf

Sounds like a Newton sort of move.
Ron N