In1913,Thomsonmeasuredthemass-to-chargeratioofionswithaninstrumenthecalledaparabolaspectrograph.ProceedingsoftheRoyalSocietyA89,1-20(1913)[asexcerptedinHenryA.
In1913,Thomsonmeasuredthemass-to-chargeratioofionswithaninstrumenthecalledaparabolaspectrograph.