Boiler operator's guide :
Spring, Harry Mortimer 1908,
Boiler operator's guide : Construction, operation, inspection, and maintenance of steam boilers, with 310 typical steam engineers's examination questions and answers. - 353 páginas
Calderas de vapor
TJ289 / S6
Boiler operator's guide : Construction, operation, inspection, and maintenance of steam boilers, with 310 typical steam engineers's examination questions and answers. - 353 páginas
Calderas de vapor
TJ289 / S6