A Combined Opaque and Transparent Tablet, Poster, Label, Ticket or Sign, for Advertising Purposes, and for Displaying Public Notices.

摘要

25,532. Smith, A., and Browne, A. Dec. 13. Advertising; signs. - Tablets, posters, labels, tickets, or signs for advertising purposes and for displaying notices are rendered opaque and transparent in parts by treatment on the back with ink or colour over the parts to be rendered opaque, and then treating the other parts with spirit varnish, which renders them transparent.