Contrivances meaning

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.

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.

Organs which respond to the mechanical stimulus of contact are found to possess special contrivances in certain of their cells(I) sensitive spots, consisting of places here and there on the epidermal cells where the wall is thin and in close contact with protoplasmic projections.