TY - BOOK ID - 118840106 TI - Significance of drafts in steam-boiler practice AU - Ray, Walter T. AU - Kreisinger, Henry AU - Geological Survey (U.S.) PY - 1909 SN - 1331938996 PB - Washington, D.C. Department of the Interior, United States Geological Survey DB - UniCat KW - Steam-boilers KW - Fans (Machinery) KW - Efficiency. KW - Blowers KW - Blowing-engines KW - Exhausters KW - Fans, Electric KW - Fans, Mechanical KW - Exhaust systems KW - Machinery KW - Pneumatic-tube transportation KW - Efficiencies UR - https://www.unicat.be/uniCat?func=search&query=sysid:118840106 AB - ER -