I started using 'understringing' (1-1-2-3-4-5) on my guitar in about June 1965 here in Australia.
I distinctly remember because I was off secondary school with flu one day in mid winter(yes, June is mid winter here) and asked my mum to buy me some strings when she went shopping. But I said 'don't buy me a normal set Mum, ask for separate strings please'... and I wrote down the numbers for her (two firsts, one second etc..there were no specific string diameter gauges on string packs then).
I was using these light gauge strings when I joined my first group in August 1965. Suited the Chuck Berry and other R'n'B Rolling Stones type stuff we were playing then.
I found out about this trick from a Beat Instrumental magazine (probably an issue from early 1965- my dear mate Keith sent them to me regularly from UK to Oz by sea mail ) which had a short article in the Instrumental News section saying something like:
'a new method of stringing has been brought to our attention by the Downliners Sect. You use two firsts, second, third, fourth and fifth, and forget about the sixth string'
I no longer have the magazine.That's as verbatim as my memory can manage after 47 years but I trust my memory..
The factory light gauge sets started becoming available in about late 1966- early 1967 here- American LaBella and Esquier mainly, can't remember Fender R'nR sets until later, and the UK sets from Picato etc arrived a bit later also.
Much later on, I tried 'overstringing'- using heavy gauge guitar strings 2,3,4,5,6 with a bass D string- tuned down to A or B it makes a nice cheap way to have a baritone guitar - good for instrumental (Duane, Jet etc) and country music guitar (Glen Campbell style) solos...
