The fire marshal shall keep a record of all fires occurring in the county, which record shall show the results of his investigation in relation to each fire and shall be open to the public for examination, and he shall also keep on file in his office all depositions and notes of testimony taken by him in the discharge of his duties, which any person desirous of so doing shall be permitted to examine and take copies of upon payment by them to the said marshal of a fee determined by the fire marshal for such examination, and he shall also, on the fourth Monday of March in each year, make report, in writing, to the county commissioners of his activities as fire marshal during the year preceding his report.
16 P.S. § 6110