1.0 milliseconds -- cycle time for frequency 1 kHz
1 ms -- duration of light for typical photo flash strobe
2.27 ms -- cycle time for the A above middle C in music (440 Hz). If an electric tuning device for musical instruments generates just one tone, this is probably that tone.
... Law of Canada (2002-)
Humphrey, J.P., Human Rights and the United Nations: A Great Adventure (New York: Transnational Publishers, 1984)
Beaudoin G.-A. & E. Ratushny, The ...