〔487〕Monktonhall坑の巻上設備〔W.H. Forgan, Colliery Guard., 1957, Vol.197, No.5097, p.565〜571, 図4, 表1〕

井上 啓
1959 Journal of the Society of Mechanical Engineers  
doi:10.1299/jsmemag.62.487_1232_4 fatcat:psbehvbhwjgfdfk7qmcstkz74a