The bombes were built by the British Tabulating Machine Company at Letchworth under the direction of Harold'Doc' Keen Each machine was about wide, tall and deep and weighed about a ton.
The bombes were built by the British Tabulating Machine Company at Letchworth under the direction of Harold'Doc' Keen Each machine was about wide, tall and deep. The bombes were built by the British Tabulating Machine Company at Letchworth under the direction of Harold'Doc' Keen Each machine was weighed about a ton.