Two Early Papers on the Differential Analyzer // The First Differential Analyzer Built in Great Britain 1935
D.R. Hartree. "The Differential Analyzer". In: Nature, 8 June 1935, col 135, #3423, pp940-943. We offer the entire weekly issue in the original wrappers (the issue containing pp 933-972, plus 8pp illustrated ads. This issue was removed from a larger, bound volume and shows evidence of such at the spine. Two ex-library stamps on the front cover from the Smithsonian Institution, Nice copy. Scarce.
(____.) “The Differential Analyzer
for the University of Manchester”.