Project Launch: Digital Collection of Agricultural Machinery Product Literature

A new digital collection is in the works: the Agricultural Machinery Product Literature Collection. If agricultural machinery is not of interest to you, why might you want to check out this collection?  Illustrations throughout the collection are often eye-catching (both on the cover and inside the material).  The various design and marketing techniques used provide…

From the Collections: Horsepower at Iowa State

In the early 1920s, Iowa State pioneered a new measurement of horsepower by inventing a machine that could measure the pulling strength of a team of horses. Earlier horse dynamometers measured only the force required to move a load, not the force required to start pulling a load. The device, “Iowa Dynamometer Car for Horses,”…