Posted by Joe Kriz on 10/14/10 - 3:59 PM
#8
Jeff,
dsutley has a 1974 model.
I really don't consider that an early model as my 1971 had the Perko.
As you know, the 13's started production in 1958.
More investigation is necessary as it is possible they used Perko or something else in the beginning and then Kanier, and then back to Perko.