Go back to article: Ventriloquised voices: the Science Museum and the Hartree Differential Analyser

Figure 4

Black and white photograph of a number of people working on a differential analyser machine

Hartree and his team using the non-Meccano Manchester Machine during the Second World War at the Ministry of Supply. Douglas Hartree is the figure centre-right, observing one of the output tables of the machine with Phyllis Nicholson, while (from front-to-back) Jack Howlett, Nicholas Eyres, and Jack Michel work to program the machine through its various input tables