E.R. Cooper

E.R. Cooper designed a gas-powered launch with a 6' propeller. In 1920, Cooper was the resident engineer for the Fortymile Power & Dredging Co. and the launch was used on the Fortymile and Yukon River. The hull was 20' long and 6 ½' wide.1)

A man named Cooper occupied the Krautschneider House in Whitehorse in 1913. He made and sold small boats.2) [May or may not be the same man.]

1)
“Equipped with Air Propeller.” The Weekly Star (Whitehorse), 2 July 1920.
2)
“Whitehorse Heritage Buildings: A Walking Tour of Yukon's Capitol.” Yukon Historical and Museums Association, 1983: 54.