1920s French Brevet d’Invention Patent Archive (Lot of Four) goggles typically found with FLT (Friendship

typically found with FLT (Friendship

25" W x 32

with tool marks and edge wear that testify to its service life

Excellent condition overall with no cracks or structural damage

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

1920s French Brevet d’Invention Patent Archive (Lot of Four) goggles typically found with FLT (Friendshipc. 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