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

Figure 5

Colour photograph of a single integrator meccano model built in 1947

The Single Integrator ‘Trainbox’ model rebuilt by Douglas Hartree in 1947 using Meccano parts taken from his original 1934 Differential Analyser. This object currently sits in the Web Exhibit of the Information Age gallery