A practical construction of a couslitution or statute is one determined, not by judicial decision, but practice sanctioned by general consent. Farmers’ & Mechanics’ Bank v. Smith, 3 Serg. & it. tl’a.) 00; Bloxham v. Consumers’ Electric Light, etc., Co., 30 Fla. 510, IS South. 444, 29 L. it A. 507, 51 Am. St. ltep. 44.