Description of a relay calculator. Compiled by Howard Hathaway Aiken, Grace Murray Hopper & John Allen Harr.
R654512. Description of a relay calculator. Compiled by Howard Hathaway Aiken, Grace Murray Hopper & John Allen Harr. © 1Jul49; A34291. The President and Fellows of Harvard College (PWH); 17Feb77; R654512.
The President and Fellows of Harvard College|PWH