siderophone

An obsolete term for an electrical device for detecting a bit of iron in the eyeball, its presence causing the instrument to sound. ... Origin: sidero-+ G. Phone, sound ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

siderophone

siderophone 1. A term for an electrical device for detecting a bit of iron in the eyeball, its presence causing the instrument to sound. 2. An instrument for detecting, by a telephone-like arrangement, the presence of iron splinters in the eyeball.
Found on http://www.wordinfo.info/words/index/info/view_unit/2737/17
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