Housing developments; Architects; Specifications; Building construction;
Specifications for six homes in the Westover Hills neighborhood in Wilmington, Delaware. Specifications include information on materials and methods of construction for six different homes.
Lammot du Pont's specifications for blasting powder made from sodium nitrate rather than potassium nitrate. This powder was called soda powder or soda blasting powder. Also included is a letter from George Harding suggesting changes to the...
A scene at the Arlington, New Jersey plant where Pyralin cellulose nitrate plastic sheeting is fabricated. The large press cuts the cellulose product to the specifications of the customer.