Unless he let goals in like that on a regular basis, I must have been at this match as the only thing I remember is Ironside's **** up.
Average attendance in 1969/70 was 9,459, looks to be around that at this game. Some interesting attendance stats on this site: http://european-football-statistics.co.uk/attnclub/league/bars.htm
Tinribs we used to call him. As I recall he was steady away most of the time, but when he did drop one it was usually a big un like this