This time, the exhibition is running for most of October. It's accompanied by a programme of seminars on Wednesday evenings. More details are here.
You may want to look out for these objects, and don't miss the history of Crosse & Blackwell!
Practical information: the exhibition runs from 2 to 27 October 2012. Opening hours: 11am-7pm on Tuesdays, Wednesdays and Thursdays and 10am-5pm on Saturdays.Venue: Crossrail Visitor Information Centre, 16-18 St Giles High Street, WC2H 8LN (behind Centrepoint).Admission free.
Further listening: Londonist Out Loud offered an audio 'view' of the exhibition.