… An Act to regulate the Trade of Silk Throwing. VII. Weavers having Alamodes and Lustrings by them not sealed, … sealed gratis before 1st May 1697. And whereas several Weavers have certaine Pieces of Black Alamodes and Lustrings … to be forfeited if sold unsealed as aforesaid and the said Weavers would also thereby incurr other Penalties yett in …