107584,
3/7/1941,
9" x 3-1/2',
Workshop Model C,
Catalog No. 415-ZC,

 It has the RARE three push-buttons mounted onto the left spindle-guard, integral to the casting.
"Rev" "Stop" and "Fwd".
Sold through A.R. Williams Machinery Company Ltd. to Viking Pump's Toronto facility.
Confirmed by Leblond.
Converted to a model A with QC gearbox.