Many moons ago I recall one of my first motors an MG 1949 TC came with a handbook complete with wiring diagram plus a lubrication wall chart listing what oils, grease and lubrication intervals to apply to each part of the vehicle. So useful.

Graham
Octogenarian - (82)
1.8 4/4 Ivory
ToyoYarris
VolvoV70
https://www.grahamswoodworks.uk/