#FactFriday: Swedish-born #ElectricalEngineer Gideon Sundbäck invented the modern-day zipper in 1913. The "Hookless No. 1" mounted facing teeth on a piece of tape, hooking them together using a slider. ⠀ ⠀ A year later, he improved his design by introduci
by o_s_p_e 6 years ago | via Instagram