Go back to article: A tale of two telegraphs: Cooke and Wheatstone’s differing visions of electric telegraphy

Figure 2

Colour photograph of Cooke and Wheatstone needle instrument from 1837 set in polished wood

Cooke & Wheatstone needle instrument, three wires operation, 1837 specification. This instrument, or a similar one, is likely to have been used on the Great Western Railway project.