seismoscope
(ˈsaɪzməʊskəʊp)
[f. seismo- + -scope.]
A simple form of seismometer; a contrivance for detecting or indicating the occurrence of an earthquake shock, sometimes also indicating (without measuring) the intensity or direction of the earthquake wave.
| 1851 Mallet in Rep. Brit. Assoc. i. 278 This instrument I have named the Seismoscope. 1887 G. H. Darwin in Fortn. Rev. Feb. 263 An instrument which tells only that there has been a shock, without giving a record of the nature of the movement, is called a seismoscope. |
Hence seismoˈscopic a.
| 1882 Milne in Nature 26 Oct. 627/2 The records of most of the older forms of seismographs and seismometers,..can only be regarded as seismoscopic. |