1. Marcellus Hartley was an American arms dealer and merchant.

1. Marcellus Hartley was an American arms dealer and merchant.
Marcellus Hartley was appointed as an agent by the Union Army to purchase guns from Europe during the American Civil War.
Marcellus Hartley later manufactured cartridges for breech-loading guns, owned the Remington Arms Company and diversified into other areas of commerce.
Marcellus Hartley was educated in New York and entered his father's business at the age of seventeen as a clerk.
Marcellus Hartley had to defend itself in front of the grand jury when accusations were made against the partners of selling goods to the South.
The Secretary of War sought advice on who could act on their behalf and the name of Marcellus Hartley was put forward.
When Marcellus Hartley was a salesman traveling in the West in the 1850s, an acquaintance gave him a metallic cartridge as a souvenir.
Marcellus Hartley became involved with the early development and application of electrical generation and supply.
Marcellus Hartley invested heavily in the United States Electrical Lighting Company, working with inventors such as Hiram Maxim, and using the designs of Edward Weston and Moses G Farmer.
Marcellus Hartley was the first British politician to put the case before Parliament for the abolition of slavery in 1776.
Marcellus Hartley lived at 232 Madison at the intersection of 37th Street and he gave Emma and her new husband the adjoining house.
Marcellus Hartley was raised by his grandparents and eventually became heir to the Hartley business and the largest part of the Hartley fortune.
Marcellus Hartley died on January 8,1902, whilst attending a business meeting.