The I&M [Independence & Monmouth Railway] speeder picks up a few passengers at Airlie. This town is the end of the old Oregonian Railway Co., Ltd. The narrow gauge tracks of this line later became part of the Southern Pacific lines."
-Culp, Edwin C. Stations West, the Story of the Oregon Railways (1972). p.159.
Diminuative railcars being of course particularly charming and neat! From about 1913?