01093nam a2200253 i 4500 OSt 20230104130114.0 230104t20212021-ukaeo er 001 0 eng d 9781399090889 RM 195.00 hardback PPAK eng PPAK rda 23 621.197 621.197 HAN R Hannavy, John, author. THE GOVERNOR : CONTROLLING THE POWER OF STEAM MACHINES / JOHN HANNAVY Barnsley : Pen and Sword Transport, 2021 ©2021 160 pages : color illustrations, color photographs, color plans ; 29 cm. text rdacontent unmediated rdamedia volume rdacarrier THE FIRST BOOK TO EXPLORE THE HISTORY OF THE CENTRIFUGAL GOVERNOR -AN EARLY ENGINE MANAGEMENT SYSTEMILLUSTRATED WITH OVER 200 PHOTOGRAPHS, ENGRAVINGS, PLANS AND DIAGRAMSFROM CHRISTIAAN HUYGENS' FIRST ESSAYS ON CENTRIFUGAL FORCE IN 1673, THE BOOK SPANS MORE THAN 250 YEARS OF THE SPINNING BALLS' Governors (Steam-engine) ddc B 190981 190981 0 1 PPAK R 2023-02-19 0 R 621.197 HAN A01769913 2023-02-19 00:00:00 B