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.
... historian
July 14 - Anton Chekhov, Russian playwright and short story writer
July 22 - Wilson Barrett, actor
August 22 - Kate Chopin, author
August 25 - Henr ...