Invention and Engineering
Coleman Sellers II (January 28, 1827 – December 28, 1907) was a prominent American engineer, chief engineer of William Sellers & Co., professor of mechanics at the Franklin Institute, professor of engineering practice at Stevens Institute of Technology and inventor. He obtained more than thirty letters-patent for inventions of his own, and served as president of the American Society of Mechanical Engineers from 1886 to 1887.
Harvard Mark I.
Arc welding.
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.