TY - BOOK AU - Pickworth,Charles N. TI - The indicator handbook: a practical manual for engineers PY - 1920///] CY - Manchester PB - Emmott & co., ltd. KW - Máquinas de vapor KW - spines N1 - Pt. 1: The indicator: its construction and application.--Pt. 2: The indicator diagram: its analysis and calculation ER -