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The page [[1]] attributes the invention of the kymograph to Carlo Matteucci. "In 1846 Mateucci invented of the kymograph, ..."

Here and at [[2]] it is attributed to Carl Ludwig. Please clean up mistaken entry or reflect ambiguity here.

Thank You the apparatus —Preceding unsigned comment added by 41.196.210.152 (talk) 12:09, 23 April 2008 (UTC)[reply]