67942. Locomotive exhaust steam injector : the most economical method of boiler feeding - Romiley (near Manchester) : Davies & Metcalfe, [19??]. 28 p. : ill. : 21 cm. - . - Op titelpagina: Metcalfe's patent type F . PK : DE PATER DK 1130

67942. Locomotive exhaust steam injector : the most economical method of boiler feeding - Romiley (near Manchester) : Davies & Metcalfe, [19??]. 28 p. : ill. : 21 cm. - . - Op titelpagina: Metcalfe's patent type F . PK : DE PATER DK 1130