Mass. Gen. Laws ch. 94, § 278: Nails and brads; manufacture; packing

Section 278. Wrought, cut or wire nails and brads of all sizes manufactured in the commonwealth shall be well made, packed free from waste pieces of iron unless they are refuse nails or brads, and free from any fraudulent mixture increasing the weight, in strong and sufficient casks of season timber, well hooped, containing not more than three hundred pounds each.