I thought people here might enjoy this write up....
http://www.curbsideclassic.com/fieldside-classics/ag-history-ford-n-series-tractors-and-the-handshake-that-changed-farming-forever/
http://www.curbsideclassic.com/fieldside-classics/ag-history-ford-n-series-tractors-and-the-handshake-that-changed-farming-forever/