Designed as Dual Basic (Gothic) for the standard IBM typewriter. Dual Gothic is a version designed in the 1960s for the IBM Selectric typewriter.

Digital interpretations include LL Superstudio (Jonathan Hares, Lineto, 2003) based in the 12 pitch size), AMB Dual Mono (Mateo Broillet), CMM Coda (Anna Cairns, Comma Type, 2024), and F25 Daisy Wheel (Volker Busse, 2006).