Menier - Aerial Toy for Advertising, British Patent 603 of 1877
A British patent specification of 1877, filed by Jean Sebastien Anacharsis Menier, covering a balloon-type aerial toy meant to carry advertising, printed for the Patent Office and its engineering readers. The plate reproduces the royal coat of arms used as a letterhead on such specifications, with crowned lion and unicorn supporters, garter belt and DIEU ET MON DROIT motto ribbons above a wavy rule, usable as an engraved heraldic device or document header.
