From Buffalo Forge Co. v. Cleveland Steam Fitting & Supply Co., 92 N.E. 238 (Ohio 1910)
"Petition. For cause of action the plaintiff says there is due it from
the defendant the sum of $642.39, with interest from the 1st day of June, 1908,
at the rate of 6 per cent. per annum, upon an account, a copy of which said
account is hereto attached and marked 'Exhibit A.' Wherefore plaintiff prays
judgment against said defendant in the sum of $642.39, with interest from the
1st day of June, 1908, at the rate of 6 per cent. per annum."