Brontometer

• (n.) An instrument for noting or recording phenomena attendant on thunderstorms.
Found on http://thinkexist.com/dictionary/meaning/brontometer/

Brontometer

Bron·tom'e·ter noun [ Greek ... thunder + -meter .] (Meteor.) An instrument for noting or recording phenomena attendant on thunderstorms.
Found on http://www.encyclo.co.uk/webster/B/103

Brontometer

A brontometer is an apparatus for measuring thunderstorms invented by Richard, of Paris in 1890. The recording part of the instrument consisted of a drum about 20 cm wide on which was coiled endless paper fed by a clock which caused the paper to travel at a rate of 1 cm per minute. Pressing on the paper were several pens connected to various automa...
Found on http://www.probertencyclopaedia.com/browse/GB.HTM

brontometer

brontometer A device, or instrument, for measuring the intensity of thunder.
Found on http://www.wordinfo.info/words/index/info/view_unit/325/
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