1854 Opposite the Atlantic House, Newport, Rhode Island.
Mansfield was recorded on one advertisement that ran on July 5 & 13, 1854 in the Herald of the Times (Newport, Rhode Island). 50 Cent Daguerreotypes. All persons who are in want of a superior Daguerreotype will do well to call at the extensive picture gallery opposite the Atlantic House, and secure one of Mansfield & Co.’s inimitable Likenesses, that they produce for the low price of 50 cts. Having the largest Sky-light in the world, and a superior apparatus, &c. they are enabled to produce 300 Daguerreotypes daily, unsurpassed by any other establishment in the country. Their rooms are easy of access, being on the first floor, and they respectfully invite the public to call and examine specimens before purchasing elsewhere.
Gallery opposite the Atlantic House.
Mansfield (first name unknown) is not recorded in other photographic directories as being active in Newport, Rhode Island.