Midland railway Permanent Way photo album. Early 20th century engineering photos of bridge, viaduct and tunnel construction in Yorkshire, many with detailed ink captions, some named in the negative. Most 12 x 20 cm, and 12 photos larger 20 x 28 cm . Some stamped 'Maintenance office (date) M.R. Engineers Dept.' album of 43 photos, plus 16 loose photos. 27 x 37 cm (album)