ABC cars - How many and where are they.?

Howard and I are ahead of the game
Have a look at the Gallery: https://www.abcroadmotors.co.uk/gallery/category/19-12hp-abc-catalogues.html

Ah yes!

They are really good.
The lubrication chart especially very useful.
Electrical chart proved a bit different when tracing the wiring on MAN 67D - but did find a crumpled flat hat stuffed in a corner far forward under the scuttle where Bob Thomas must have lost it years ago.Its label reads “Robert Thomas , Milntown “