To be updated. These links work now, but the industry has changed since I built this page.
Piano technicians' websitesAudrey Karabinus
Bradley Lehman offers here a keyboard temperament analyzer/calculator, along
with cogent explanations of the need for temperament.
Tools and Supplies
HobbyLinc CA Glue:
Good source for CA glue for loose tuning pins.
Pscale and other computer tools
for piano technicians. Calculate touchweight, stringing scales, and more.
Of Technical InterestPiano Serial Numbers 1: The "Blue Book of Pianos" -- serial numbers and manufacturing dates. Not very up-to-date, and somewhat inaccurate in Steinways.
5 piano acoustics lectures. The five lectures describe the underlying physics upon which all detailed modeling of piano tones must be based. Extraordinarily useful.
Piano Technology Practice Exams: Online multiple choice tests in piano technology.
TuneLab's home page: For users of Bob Scott's TuneLab
Pianotech -- The pianotech Archives: look up anything in the pianotech discussion history.
Piano on the Net: Online piano lessons!
Piano Education Resource Guide: some 40 piano resources on everything from learning and teaching piano to tuning and genre resources