Glass plate negative depicting a boy posing with three cows labeled, "Three daughters of Canary Jessie Robes 88958. They belong to me and father. Another answer to the question, why do boys like the farm?"
Glass plate negative: Summary of Iowa Experiments. "Pure Bred Bulls Increase Milk & Butter Fat Production". The slide compares milk production of scrub cows and the offspring of a pure bred bull.
Glass plate negative: Slide promoting the sale of bulls.
"Give the Bull a Chance! This bull was sold to butcher for $50.00. A year later when his daughters came into milk he would have been worth $5000.00 the records of these daughters areā¦