OSA | Instrument SectionA Superior Electric Pendulum; and Some Pendulum EquationsOSA Publishing > JOSA > Volume 8 > Issue 6 > Page 767A Superior Electric Pendulum; and Some Pendulum Equations•https://doi.org/10.1364/JOSA.8.000767Walter P. White, "Instrument SectionA Superior Electric Pendulum; and Some Pendulum Equations," J. Opt. Soc. Am. 8, 767-782 (1924)
