meters or gauge in crane cabin for measure maximun load, engine speed , hydraulic pressure , temperature and fuel level

accurate airtight all and antique atmospheric cabin chamber condition container control cooper copper crane dashboard dial driver engine for fuel gauge heavy hydraulic hyperbaric important know level lift load many maximun mbar measure measurement mechanical meter meters millibar monitor monitoring number operated oxygen pointer precision pressure retro room speed subcontrol submarine support temperature the thermometer tool vessel vintage when which with