If metronomes are not to be had, the experiment may be performed with two watches.
The alternation is quicker the greater the difference of time of the two metronomes.
I hasten to answer it, and will send the metronomes in a few days, when the last two pieces of the second part will come.
I shall send you the metronomes in a few days; the organ part I do not forget.
Up in the top story hurrying drips beat, like metronomes, all the tempi, from a ponderous adagio to a racing prestissimo.
The metronomes usually for sale in the shops are poor enough to yield, when set alike, appreciably unequal strokes.
To give yourselves a clear idea of the production of beats, take two metronomes and set them almost alike.