Colliery steam machinery [article] /
Hayes, Geoff.
Colliery steam machinery [article] / Geoff Hayes. - 1993.
Pumping machinery--History.
Coal mines and mining--Equipment and supplies --History.--Great Britain
Engineering in miniature. - Vol.14, no.12 (May), p.372-373 ... v.15, no.4 (Sept.), p.114 (1993).
Colliery steam machinery [article] / Geoff Hayes. - 1993.
Pumping machinery--History.
Coal mines and mining--Equipment and supplies --History.--Great Britain
Engineering in miniature. - Vol.14, no.12 (May), p.372-373 ... v.15, no.4 (Sept.), p.114 (1993).
