Calculating Machines: Recent and Prospective Developments  c1947

This is Douglas Hartree's inaugural 1947 Cambridge lecture.

Calculating Machines: Recent and Prospective Developments and their impact on Mathematical Physics.

These are original 40 page 1947 booklets.

Calculating Instrumemts and Machines by Douglas Hartree  c1950

Practical Mechanics with the construction of ACE  c1947

An Article on the LEO III in Hartree House  c1963

An Original Photo of the KDF 9 in Hartree House  c1968

Large-scale Digital Computing-machine Projects in the USA  c1950