At the third level, TUNK generates STRIKE, FORCE, DEENERGIZE, DISCONTINUE, USE, DISBELIEVE, DEFINE, ASCERTAIN but AUSCULTATE generates MEET, RELATE, ELECTROPHONE
, SENSIZE, INQUIRE, ITERATE, DEBUNK, UNINVENT--not a single, component verb in common.
Always at the forefront of technology, in 1906 the Mirror installed an Electrophone
at its London headquarters to report directly the words of Prime Minister Campbell-Bannerman as he called a General Election.
Montagu chooses to adopt a five-part classification system: idiophones (rigid enough to clang when struck), skin instruments and strings (each requiring tension), winds (hollow with an orifice for blowing), electrophones
(a power source).