Enumerations for _NMR_spectrometer.Model (An open enumeration)
`AM` | from Bruker
`AMX` | from Bruker
`ARX` | from Bruker
`Avance` | from Bruker
`CMX` | 'from Bruker'
`DMX` | from Bruker
`DPX` | from Bruker
`DRX` | from Bruker
`ECA` | from JEOL
`ECP` | from JEOL
`Gemini` | from General Electric
`GSX` | from General Electric
`GX` | from General Electric
`INOVA` | from Varian
`MSL` | from Bruker
`OMEGA` | from General Electric
`OMEGA PSG` | from General Electric
`Uniform NMR System` | from Varian
`Unity` | from Varian
`UnityPlus` | from Varian
`VXRS` | from Varian