Invention and Engineering
John Alexander Chisholm (1859–1903) was a Canadian inventor and businessman who developed the Chisholm-Scott Pea Viner, an agricultural machine for shelling peas. He sold these machines throughout Canada and the United States through the Chisholm-Scott Company.
GCR Class 8B.
History of the United States (1945–1964).
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.