Tuning fork, A440 Hz, after 1920
Dublin Core
Title
Tuning fork, A440 Hz, after 1920
Description
This tuning fork was manufactured by Deagan. It is inscribed on the back ‘ J.C. Deagan. Official pitch of A.F. of M. 1917 Adopted by US Gov't. 1920’. J. C. Deagan, was a musician and expert in the science of acoustics. He wrote many papers on the subject and was a major campaigner for the standardisation of musical pitch in the USA. A standard (A= 440) was officially adopted in America in 1920 and eventually worldwide.
Source
Grainger Museum Collection
Date
after 1920
Identifier
00.0016