Looking south-by-east along the length of R.H. Green & Silley Weir's Dry Dock No. 1 in their Blackwall shiprepair yard, London. The dock is almost completely drained. A London County Council sludge carrier is heading downriver on the Thames and the South Eastern Gas Board works is on the opposite side of the river. Transparencies P63543CT to P63551CT were taken on the same occasion.