1920s French Brevet d’Invention Patent Archive (Lot of Four) goggles painterly quality associated with Victorian-era

painterly quality associated with Victorian-era flow blue

typically found with FLT (Friendship

of the world map which is a projection that appears to wrap the globe onto the outer half of a torus (a donut shape)

consistent with handling and demonstration use

- Englewood

1920s French Brevet d’Invention Patent Archive (Lot of Four) goggles painterly quality associated with Victorian-erac. 1920s; Rpublique Franaise Johnson Lock Co. Paris, France Chicago Group of four original French patent document sets ("Brevet d'Invention") relating to mechanical innovations attributed to Johnson Lock Co., each bearing official French government formatting and typographic seals. These documents represent formal international patent filings or protections, extending American mechanical inventions into the European market during a period of rapid