ClipArt ETC
"An implement for clearing away snow from roads, railways, etc. a, caboose; b, cab; c, tender; d, show, plate, or scraper which cuts horizontally at a level with the tops of the rails; e, auger which cuts in to the snow-drift, and assists by its screw-like action to propel the machine (its centrifugal action projects the snow upward through the chute f, and laterally to a distance of 60 feet)." —Whitney, 1889

Centrifugal Snow Plow

"An implement for clearing away snow from roads, railways, etc. a, caboose; b, cab; c, tender; d, show,…