Sketch is the number of the Lancia C. Servizio Assistenza Tecnica data sheet, which were issued between 1946 & 1970. See below under Lang. for explanation of suffixes to the Sketch numbers.
The
Title and
Model Application are those stated on the Sketch.
Model is a field denoting the Lancia model group to which the Sketch applies. It is to enable sorting from a larger table containing all Lancia AST Sketches.