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Artist's commentary
Happy Birthday Whirlwind!
Whirlwind-hime & her family for her 75th birthday~
Clockwise, from left: PDP-7, PDP-1, PDP-11, LINC, PDP-5, PDP-8, PDP-10, DECSYSTEM-20, Data General Nova, PDP-6, LINC-8, PDP-12, PDP-14 & 16, PDP-15, PDP-9, SAGE, PDP-4, and MTC.