Waterloo Cement Machinery Company, Waterloo, Iowa, for Concrete Mixing
Machines.
Hercules Powder Company, Hazleton, Pennsylvania, for Progressive
Cultivation and Trench Digging by Dynamite.
International Harvester Company of America, Chicago, Illinois, for
Tractors and Farm Machinery.
George M. Wright, owner of Indian Hill Farm, Worcester, Massachusetts, for Holstein Cattle, Dairy Methods and Poultry Raising.
John W. Odlin, Publicity Department, Wright Wire Company, Worcester,
Massachusetts, Wire Fencing.
C.P. Dadant, Editor American Bee Journal, Hamilton, Illinois, Bee
Culture.
The Sharpies Separator Company, West Chester, Pennsylvania, for
Milking Machines and Cream Separators.
D. & A. Post Mold Company, Three Rivers, Michigan, for Concrete Fence
Posts.
A.A. Simpson, Indiana, Pennsylvania, for much data regarding crop production and market values in that vicinity.
The Domestic Engineering Company, Dayton, Ohio, for Electric Light and
Power for Farms.