Eastercon 25, Tynecon, (also known as Tynecon 74) was held in Newcastle over Easter weekend (April 12-15) 1974. The GoHs were Bob Shaw and Peter Weston. It was organized by Gannet Fandom and with 509 people registered, it was the largest Eastercon to date.

The committee were Ian Maule, Ian Williams, Rob Jackson, Harry Bell, Irene Bell.

See also Tynecon II, and Tynecon 3 -- The Corflu

http://checkpoint.ansible.uk/cp047.html#02 (IA) Checkpoint conrep

OMPAcon '73«« »»SEACON 75
»»Tynecon II

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Concatenation Fanlore Files https://duckduckgo.com/?t=lm&ia=web&q=Tynecon (IA) Website 1974 . .

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