According to the manual I have for M1 and Major:
Slides, Feedscrews, General Lubrication – Shell Vitrea Oil 33 / Castrol Perfecto NN / BP Energol HP30
Gearbox – Shell Vitrea Oil 37 / Castrol Perfecto RR / BP Energol HP40
Spindle Bearings – Shell Alvania Oil 3 / Castrol Spheerol A.P.3 / BP Energrease L.S. 3
Vertical Head, Rotary Table – Shell Alvania Oil 2 / Castrol Spheerol A.P.3 / BP Energrease L.S. 3