Other contrivances for the same purpose are described by Philippe de la Hire (Mem.
Contrivances of the most diverse constructions have been employed.
Specially arranged contrivances which tell us that the ground has been shaken are called seismoscopes or earthquake indicators.
The history, indeed, of many a word lies hid in its equivocal uses; and it in no way derogates from the dignity of the highest poetry to gain strength and variety from the ingenious application of the same sounds to different senses, any more than from the contrivances of rhythm or the accompaniment of imitative sounds.
Great improvements, however, have been effected in the design of open fireplaces, and many ingenious contrivances of this nature are now in the market which combine efficiency of heating with economy of fuel.