Hi RS&J, As I'm sure you are aware, Scott Bonnar literature; especially pre1960, is pretty thin on the ground. Until your friend and compiler of the Scott Bonnar History made that available, virtually no information on the early years of the Company was to be had. It still remains very difficult to date a machine exactly
I, personally, have no manuals, brochures or literature prior to the 70's. Sorry I can't be of more help....at present!!
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl
It still remains very difficult to date a machine 
