Progress is fine, but it's gone on for too long.
with apologies to Ogden Nash...
Thursday, February 2, 2017
Ploughing with steam
Avery steam tractors
break up the soil in the Candian West about 1912. Each tractor, developing 30 BHP, pulls a 10 furrow plow for a total swath of 35 feet. Travelling a total of about 18 miles, they ploughed 56 acres per day.
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