This ambro has darkened considerably, but is worth posting because of its age. On the reverse is 'Ann Lunt Pierce'. These ambros were popular in the 1860s and 1870s.
People in photo include: Ann Lunt Pierce
The photography choice of the mid 1850's through the 1860's.
An ambrotype was a photographic process invented in the 1850's that replaced the daguerreotype (it was cheaper to produce an ambrotype). By the mid 1860's, the tintype became the photography of choice...
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...