Unrestored earley 20c Blick lightweight. The image shows an antique Blickensderfer Featherweight portable typewriter, an innovative early-20th-century aluminum machine often marketed as the “Five Pound Secretary”. Design: Uses a cylindrical type-wheel instead of individual type-bars, allowing the typist to easily swap out different typefaces and character sets. Keyboard: Features a compact layout with round keycaps mounted on long, slender vertical shanks. Build: Housed on a wooden base, the cast-aluminum frame significantly reduced the weight compared to iron models of the era.