Inconsistent hyphenation of word, 'horse-shoe' and 'horseshoe' both present in original text.
Inconsistent hyphenation of word, 'over-blowing' and 'overblowing' both present in original text.
Page [5], possible printer's error, a for at, ['consisting when a rest'].
Page [6], printer's error, comma rather than full stop at end of sentence, ['ether constituting electric radiation,'].
Page [10], printer's error, millmetre for millimetre, ['three thousand volts per millmetre,'].
Page [13], possible printer's error, set for sets, ['there are three set of phenomena'].
Page [13], printer's error, duplicate word, ['detached and and travel away.'].
Page [22], printer's error, correponding for corresponding, ['correponding to this frequency'].
Page [22], printer's error, consist for consists, ['due to Braun, consist of attaching'].
Page [24], printer's error, one-hundreth for one-hundredth, ['capacity of one-hundreth of a microfarad,'].