Technical History

Technical History (HM1Z43)

Location: Carlisle, PA 17013 Cumberland County
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Country: United States of America
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N 40° 12.25', W 77° 9.473'

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Inscription

What is a redoubt?

A redoubt is a small temporary fortification of entrenched earth and wood. These battlefield strong points were designed to provide cover for defending infantry and artillery as well as slow down an attacking force. Several construction elements make up a redoubt. During the American Revolution both the British and Continental forces used John Muller's 1746 Elements of Fortification, which was a hybrid of the current theories of entrenchments put forth by Marshal de Vauban of France and the Baron Menno Van Coehorn of the Dutch Army. These systems emphasized a catalog of shapes and fortification features that a commander could fit to suit the particular circumstances of the battlespace. Before you is a recreation of an 18th century redoubt, can you spot the different design elements?

1. Embrasure: Opening in parapet for artillery to fire through.
2. Ship's carriage with 18 pdr cannon: Garrison carriages differ from ship's carriages by having small cast iron wheels as opposed to ones made of wood.
3. Gun platform: A floor made of joists and planks to serve as a foundation for artillery and mortars.
4. Fascine: Bundles of saplings bound with vines used to support the parapet.
5. 24 pdr mortar and bed: A short artillery piece mounted to a large wooden block that fires projectiles at extreme elevations over the fortification.
6.
Mortar pit: A gun platform specifically used for mortars.
Details
HM NumberHM1Z43
Tags
Placed ByU.S. Army Heritage and Education Center
Marker ConditionNo reports yet
Date Added Thursday, June 22nd, 2017 at 5:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18T E 316346 N 4452651
Decimal Degrees40.20416667, -77.15788333
Degrees and Decimal MinutesN 40° 12.25', W 77° 9.473'
Degrees, Minutes and Seconds40° 12' 15" N, 77° 9' 28.38" W
Driving DirectionsGoogle Maps
Area Code(s)717
Closest Postal AddressAt or near Army Heritage Trail, Carlisle PA 17013, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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