H. Spence Thomas, M.I.Mech.E.
Warning: This is not intended to be an exhaustive history of this individual,
but an indication of the changes of positions and the links between companies, directors
and managers in those companies. Only collieries, pits etc. in the North of England are shown - the
individual may be involved with other companies or collieries outside this area and there may have
been other positions for which we currently do not have details.
Biographical Notes
Thomas, H. Spence, M.I.Mech.E. Ex-President of South Wales Institute of Engineers/ Managing Director of Melingriffith Co. Ltd., and a Director of various iron, coal, and other companies. Justice of the Peace. Melingriffith Works, Cardiff
Source: 1933 Colliery Year Book and Coal Trades Directory
- 1933 Colliery Year Book and Coal Trades Directory. Published by The Louis Cassier Co. Ltd., from a copy held in the Scottish Mining Museum, Newtongrange, Midlothian
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