Drawing of a siege mortar platform
National Park Service
Drawing of a siege mortar platform, including a bill of materials used.
Parable written by Brooks, page 1
National Park Service
Parable written by Brooks about a ruler of a kingdom and his appointed captain. The people loved the ruler but believed him wrong for not changing the captain, who was not a fighting man.
Drawing by Wilcken, of an arrangement for exploding enemy torpedoes
National Park Service
Drawing by Wilcken of an arrangement for exploding enemy torpedoes. A cross section is shown.
Diagrams by Lorigan, of wire anchoring used for sand bag revetment
National Park Service
Diagrams by Lorigan of wire anchoring used for sand bag revetment in breaching batteries, with a scale of 1/2 inch to 1 foot.
Drawing by Wilcken, of wide splinter proof
National Park Service
Drawing of wide splinter proof by Wilcken. Elevation and cross section are shown.
Combinations of short and long whistle blares for System of Signaling for Steam Whistles
National Park Service
Combinations of short and long whistle blares for System of Signaling for Steam Whistles. Includes numbers 1-0 (10).
Diagram of iron embrasure lining
National Park Service
Diagram of iron embrasure lining, showing the perspective view and front and side elevations.
Report by Brooks, on General Gillmore and Volunteer Engineers, page 4
National Park Service
Report by Brooks on General Gillmore and Volunteer Engineers. Brooks writes that Gillmore makes use of, and acknowledges, the value of the uses of Volunteer Engineers in this war, and discusses operations that the engineers have been employed in.
Letter, Emet? to Brooks, on a plan of the main magazine
National Park Service
Letter to Brooks from Emet? on a plan of the main magazine, where Emet writes that the magazine is somewhat larger than he stated a while ago. A diagram showing dimensions is included. Possibly by Emet.
Instructions to engineer officers, General Gillmore, envelope, August 22 [Recto]
National Park Service
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