CASSIER'S MAGAZINE. 84 … YARROW AND HILDITCH'S STEAM PLOUGH. in their entering jointly into numerous various shops, then into the drawing enterprises and always working together office, and at the age of twenty-one he in the workshop in the evening. At left. the age of about seventeen these young Both before and during his…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
