Function to read the "instr.desc" attribute of an existing generic_spct object.
getInstrDesc(x)a generic_spct object
list (depends on instrument type)
Other measurement metadata functions: getHowMeasured,
getInstrSettings,
getWhatMeasured,
getWhenMeasured,
getWhereMeasured,
get_attributes,
isValidInstrDesc,
isValidInstrSettings,
setHowMeasured, setInstrDesc,
setInstrSettings,
setWhatMeasured,
setWhenMeasured,
setWhereMeasured,
trimInstrDesc,
trimInstrSettings