Drawing of a siege mortar platform, including a bill of materials used.
Transcription[Diagram, showing dimensions]. Plate IX; Mortar Platforms; See Note 11 page; Fig. 1. Siege mortar Platform; Bill of Materials used; 2 Timbers 6 1/2' long 12" by 12"; 7 Plank 6 1/2' " [long] 12" by 2"; 70, 6 inch spikes. [Written on side] New [Draws?] to be made Scale 5 feet to one inch.
LocationsCharleston, Charleston County, South Carolina, United States(32.77657,-79.93092)
