University of Illinois Urbana-Champaign

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Showing 1–30 of 163 items
Thumbnail for Hitching horses to get the most work done
Hitching horses to get the most work done
Lehmann, Emil Wilhelm; Robbins, Ernest Thompson

Thumbnail for Terraces to save the soil
Terraces to save the soil
Lehmann, Emil Wilhelm; Hay, Ralph Carroll

Thumbnail for Farm drainage : its maintenance and construction
Farm drainage : its maintenance and construction
Lehmann, Emil Wilhelm; Pitzen, Tracy Allen

Thumbnail for Electric power for the farm
Electric power for the farm
Lehmann, Emil Wilhelm; Kingsley, Frank C.

Thumbnail for Sewage disposal for the farm home
Sewage disposal for the farm home
Kelleher, Raymond Charles; Lehmann, Emil Wilhelm

Thumbnail for Water and plumbing systems for farm homes
Water and plumbing systems for farm homes
Lehmann, Emil Wilhelm; Hanson, Frank Paul

Thumbnail for Save the soil with contour farming and terracing
Save the soil with contour farming and terracing
Lehmann, Emil Wilhelm; Hay, Ralph Carroll

Thumbnail for Saving soil by use of mangum terraces
Saving soil by use of mangum terraces
Lehmann, Emil Wilhelm; Hanson, Frank Paul

Thumbnail for A study of factors affecting the efficiency and design of farm septic tanks
A study of factors affecting the efficiency and design of farm septic tanks
Lehmann, Emil Wilhelm; Buswell, Arthur M.; Kelleher, Raymond Charles

Thumbnail for A study of factors affecting the efficiency and design of farm septic tanks
A study of factors affecting the efficiency and design of farm septic tanks
Lehmann, Emil Wilhelm; Buswell, Arthur M.; Kelleher, Raymond Charles