For information on fans try; "Colliery Ventilation By Steam Power", by
Barry Job, International Stationary Steam Engine Society Bulletin, Vol
14, No.2, Winter, 1992, pages 22-41.
"Colliery Ventilation", book by Alan Hill, published by P.D.M.H.S.,
2000 ISBN 0 904334 19 8.
Yours,
Barry.
Barry Job.
Eur. Ing. Dr. Barry Job,
Department of Geology,
School of Sciences,
Staffordshire University,
College Road,
Stoke-on-Trent,
ST4 2DE.
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