Sg Perforation Definition

I'm looking through the SG British Empire/Commonwealth Cat and would like to know if anyone can tell me what "Perf 14, line" means, for example New Zealand SG 583c 1941

line perf v comb perf:

https://goscf.com/t/55083

One can find some incredibly useful information near the beginning of the SG Commonwealth and Empire Catalogue that most people seem to skip over, instead, going straight to the stamp listings.

The sections that I find most useful are "The importance of condition" on page xv and "General philatelic information and guidelines" on page xxi. This latter section describes amongst other things, the different perforation types.

I have the 2013 edition of the catalogue, the page numbers are probably different in other editions.
Clive

Thank you Clive - I was wondering if the SG catalog has no introduction. If everything else fails read the instructions :)

Peter

It was true then; it's still true today.