Mt. Aetna Cannon

Mt. Aetna Cannon (HMUKO)

Location: Hagerstown, MD 21740 Washington County
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Country: United States of America
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N 39° 38.411', W 77° 43.828'

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?Mt. Aetna Furnace, at which this cannon was cast in 1776, was located one mile west along Mt. Aetna Road from its predecessor Antietam furnace which was along Mt. Lena Road. Numerous records from the Revolutionary period describe the activities at Antietam Furnace which resulted from the award to the Hughes brothers of a contract to cast cannon for the Continental Army. The extra metal at the muzzle end, into which slag contained in the molten metal would rise, would have been cut off had the center core stayed in place during the casting. As can be seen by viewing the muzzle end, it was far out of place and this piece was discarded to remain hidden for 200 years until it was discovered by Mr. and Mrs. Carl W. Shafer in their garden and presented by them to the Washington County Historical Society.

Production of some 70 cannon in what was then a wilderness area was described by Michael D. Thompson in The Iron Industry in Western Maryland as a "prodigious achievement and an immense contribution to the war effort, unmatched by any other furnace established in any other North American Colony."
Marker ConditionNo reports yet
Date Added Wednesday, October 8th, 2014 at 4:12am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 265692 N 4391385
Decimal Degrees39.64018333, -77.73046667
Degrees and Decimal MinutesN 39° 38.411', W 77° 43.828'
Degrees, Minutes and Seconds39° 38' 24.66" N, 77° 43' 49.68" W
Driving DirectionsGoogle Maps
Area Code(s)240, 301
Closest Postal AddressAt or near 1 Key St, Hagerstown MD 21740, US
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