An Act to defray the Charge of the Pay, Cloathing and contingent Expences of the Disembodied Militia in Great Britain, and of the Miners of Cornwall and Devon; and for granting Allowances in certain cases to Subaltern Officers, Adjutants, Quartermasters, Surgeons Mates and Serjeant Majors of Militia, until the Twenty fifth Day of March One thousand eight hundred and eighteen.