ClipArt ETC
"A blower, a contrivance for fumigating wheat and other grain, to bleach it and destroy fungi and insects."-Whitney, 1902

Aerator

"A blower, a contrivance for fumigating wheat and other grain, to bleach it and destroy fungi and insects."-Whitney,…

This blower has a drum consisting of two side plates and a series of partition plates curved in a cross section. The fan is usually long in relation to the diameter.

Centrifugal Blower

This blower has a drum consisting of two side plates and a series of partition plates curved in a cross…