Spin*thar"i*scope (?), n. [Gr.
spinqari`s spark + -scope.] A small instrument
containing a minute particle of a radium compound mounted in front of
a fluorescent screen and viewed with magnifying lenses. The tiny
flashes produced by the continual bombardment of the screen by the
α rays are thus rendered visible. --
Spin*thar`i*scop"ic (#), a.
Spin*thar"i*scope (?), n. [Gr.
spinqari`s spark + -scope.] A small instrument
containing a minute particle of a radium compound mounted in front of
a fluorescent screen and viewed with magnifying lenses. The tiny
flashes produced by the continual bombardment of the screen by the
α rays are thus rendered visible. --
Spin*thar`i*scop"ic (#), a.