of public records. and documents: or of the books and papers of his opponent in an action, for the purpose of better preparing his own case for trial. ; —Inuspection laws. Laws authorizing and directing the inspection and examination of various kinds of merchandise intended for sale, especially food, with a view to ascertaining fitness for use, and excluding unwholesome or unmarketable goods from sale, and directing the appointment of official inspectors for that urpose. See Const. U. S. art. 1, § 10, cl. 2; tory, Const. § 1017, et - Gibbons v. Ogden, 9 Wheat. 202, 6 L. Ed. 23; Clintsman v. Northro » 8 Cow. (N. Y.) 45; Patapsco