Letter from G Stephenson regarding the controversy of the safety lamp (Killingworth Colliery)


Letter from G Stephenson regarding the controversy of the safety lamp (Killingworth Colliery)


Size: 4301px × 4282px
Photo credit: © IMechE / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, 1822, coal, controversy, george, industrial, lamp, lamps, letter, machinery, mining, safety, stephenson