On and after the first day of June, one thousand nine hundred and thirteen, the clerks and other employés in the Department of the Auditor General, and their salaries, shall be as follows:
A revenue deputy, at seven thousand five hundred dollars ($7,500) per annum.
A disbursing deputy, at seven thousand five hundred dollars ($7,500) per annum.
And such other deputies, chief clerks, experts, accountants, auditors, investigators, examiners, collectors, secretaries, bookkeepers, clerks, stenographers, typists, messengers, watchmen, and all other employés necessary for the proper administration of the Auditor General's Department, at salaries or compensation to be fixed by the Auditor General.
71 P.S. § 868