Logo Collection – Number Theory, 1960s/70s

[ All images © ]

A combined two-part series of international digit-centric trademarks.

These logos are sourced from Trade Marks & Symbols, Volume 2: Symbolical Designs, part of a comprehensive hardback set brimming with thousands of modern logos. The series is edited by notable Japanese graphic designer Yasaburo Kuwayama, published in 1973.

–Amy

(Originally published on AQ-V in 2012)