I think this is a typo, since on page 16 in the "manual for the THORENS model TD 124 SERIE II transcription turntable", we read (quoted exactly as printed):

Recommended oil. If the indicated Caltex or Texaco Regal Oil B (as used for hydraulic power transmissions) is not available, use a non-oxidising, non sticking, high-grade light mineral oil (SAE 20). A lubrication kit with recommended lubricants is available as accessory upon request.


Regards