An Act amending the act of May 5, 1921 (P. L. 389, No. 187), entitled "An act to regulate and control the manufacture, sale, offering for sale, giving away, and use of weights and measures and of weighing and measuring devices in the Commonwealth of Pennsylvania; providing for the approval and disapproval of such weights, measures, and devices by the Bureau of Standards; and prescribing penalties," defining certain terms; further providing for the approval of weights, measures and devices; increasing penalties; and making editorial changes.