Jeavons type 178 CSP gas meter service governor to restrict the pressure to 22mbar
1950-1990
Porte Manville electric governor
Gas governor
1890-1920
Lindley's"Acme" Governor, A Type
Foxall's gas governor, (diaphragm perished)
Jeavons type 178 CSP gas meter service governor to restrict the pressure to 22mbar
1950-1990
Brian Donkin governor.
Governor for Steam Engines
1844-1845
Hick's Chronometric governor, 1840
1840
High speed enclosed governor with double lift L10 size
Stott's patent automatic gas governor
Spring controlled high speed steam engine governor B2 size
Porter's Governor designed 1858 for stationary engines
1858
Standfield's Patent Speed Indicating Governor for Steam Engine
1862-1863