Workers

NOTES: The original factory was built in 1958.

NOTES: The laboratories were built in two phases: the research laboratories in 1959 and the instrument assembly wing in 1961.

NOTES: The Chamber of Commerce was the first of John Madin's buildings to be awarded an RIBA Bronze Medal in 1961. It consists of two office blocks at right angles to one another, linked by a shared entrance. The Chamber of Commerce originally occupied the lower four-storey wing, whilst the eight-storey block was built as offices for letting.

NOTES: The original office complex including a systems assembly plant and computer centre was completed in 1971. It was subsequently added to in the late 1970s, also by Arup Associates.