Treasury Building (South Wing) Washington, DC Expansion, Expansion, 1855–1861 Ammi Burnham Young, Alexander Hamilton Bowman, Architects E. Robinson & Co., Manufacturer Robert Mills, Architect, 1836
US Custom House (West Virginia Independence Hall) Wheeling, WV 1859 Ammi Burnham Young, Architect E. Robinson & Co., Manufacturer
1865 Ammi B. Young, in his journal, writes that E. Robinson & Co. “are esteemed the best locksmiths in this country.”