In 1836 - 1837 he , Edward Christopher and son John Archibald took a trip to the United States midwest to study milling equipment .
In 1836 he pulled his eldest son Edward Christopher form his studies at Upper Canada College to teach him how to run a mill .
In 1836 - 1837 he , Edward Christopher   and son John Archibald took a trip to the United States midwest to study milling equipment .
In 1836 he pulled his eldest son Edward Christopher form his studies at Upper Canada College to teach him how to run a mill .