‡a
Sopwith, T. Reports on the iron works, manufacturing establishments ... at Couvin ... in Belgium, 1846:
‡b
t.p. (T. Macdougall Smith, F.G.S., memb. Inst. Civil Engineers)
‡a
reportsontheironworksmanufacturingestablishmentsatcouvininbelgium
‡A
Reports on the iron works, manufacturing establishments ... at Couvin ... in Belgium, 1846:
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