Buy a copy of Hal Roth's book "After 50,000 Miles", probably out of print but easily found in used bookstores or online.
My neighbor has a Spencer 35 built in 1966, which I helped him find in 1997. He is also the creator of the owners group linked to above, for the last year handled by Larry Barr.
Aja is the third MkII built I believe. Are you in Vancouver