For a signal whose fundamental frequency is f, the second harmonic has a frequency 2 f, the third harmonic has a frequency of 3 f, and so on. Let w represent the wavelength of the signal or wave in a specified medium.
Rhodes is a name that came to England in the 11th century wave of migration that was set off by the Norman Conquest of 1066. The Rhodes family lived in Lincolnshire at Rhodes, from whence their name is derived. Anglo-Norman names are characterized by a multitude of spelling variations.
THE FAMILY OF BACON IN ENGLAND. The family is of very early origin, and while there are several versions as to the derivation of the name, I think the general opinion is that it originated from the Saxon word baccen or buccen, meaning a beech tree. Burke's Peerage says that Various conjectures have been hazarded as to the origin of the surname of Bacon, but to little purpose.