Silver gelatin photograph entitled 'Agecroft Power Station, Salford', by John Davies, 1983 (printed 1 February 2010). Agecroft Power Station, Salford 1983 (photograph); 2010 (print)
Taylor Hydracrane with bucket grab and gun barrel clamp grab, world's first production mobile hydraulic crane, 1946. Mobile Hydraulic Crane, 'Taylor Hydracrane' 1946