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¦
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 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?"