| http://www.w3.org/ns/prov#value | - Their attempts were largely unsuccessful, mainly due to the long length of a simple pendulum required to have a frequency of oscillation down as low as 40 beats per minute.Intellectual Property TheftThe mechanical metronome with which we are familiar today was patented by, but wrongly attributed to, a German showman and maker of automata3, Johann Nepomuk Maelzel (or M??lzel).
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