Prototype DeKalb AgResearch Corn Thermometer contract Cast metal frame displays slight

Cast metal frame displays slight scattered oxidation within recessed areas and an attractive aged patina

and gold polychrome typical of Mediterranean Revival style

Sign is housed in a painted wooden frame

Each zone is paired with round indicator buttons

Prototype DeKalb AgResearch Corn Thermometer contract Cast metal frame displays slightc. 1980s; DeKalb AgResearch, Inc. DeKalb, Illinois Unique prototype promotional thermometer produced for DeKalb AgResearch. Designed in the shape of an ear of corn, the piece features DeKalb branding, a working Fahrenheit thermometer, and a blank imprint panel intended for dealer customization. According to accompanying provenance, this design never entered production and remained at the prototype stage, making it a rare survivor from DeKalb's