Day was born in, 1824. He appears to be in his late teens, dating it between 1841 and 1843. the plate is in a, Shew, case from, 123 Washington St., Boston, which, Craig's Directory, gives as a, late 40's, address.
The 1800s where the end of the industrial revolution and the birth of scientists.
The Industrial Revolution began around 1760 and ran through the 1840's. Then began the birth of the profession of science. Louis Pasteur, Charles Darwin, Michael Faraday, Thomas Edison, and Nikola Te...