A Bakker 400 ton capacity machine inside an R & H Green & Silley Weir workshop, presumably in the Royal Albert Dock, London. The machine is manufactured in Ridderkerk, Holland, and is situated in a building under a steel framed overhead hoist which has 16 ton capacity side rails and two 8 ton capacity moveable electric hoists. A man is standing beside the machine which is believed to be serial number B2023. Transparency PCT19745 is a copy of this transparency.