1862 London Exhibition: Catalogue: Class I.: William Brightmore Mitchell
229. MITCHELL, WM. BRIGHTMORE, Mineral Surveyor, 16 Broom Hill, Sheffield.
Coals; building, fire, and grinding stones; ironstones; minerals of South Yorkshire.
230. MITCHELL, WM. BRIGHTMORE, Mineral Surveyor, Sheffield.
Ores and other minerals of the High Peak district of Derbyshire.
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