National Historic Mechanical Engineering Landmark

National Historic Mechanical Engineering Landmark (HMSLM)

Location: Snow Hill, MD 21863 Worcester County
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Country: United States of America
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N 38° 12.233', W 75° 28.15'

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Inscription

Nassawango Iron Furnace

— ca. 1828 - 1850 —

Nassawango is structurally typical of its period while distinctive in several ways: it smelted bog ore; it is principally of brick rather than stone; and of greatest significance, it probably is the earliest surviving American furnace that employed the "hot blast." By this means—now universally used—the production of pig iron was greatly increased. The cast-iron blast-air "stove" at the top of the furnace stack was installed here ca. 1835, less than a decade after introduction of the process, in England.
Details
HM NumberHMSLM
Tags
Year Placed1991
Placed ByThe American Society of Mechanical Engineers
Marker ConditionNo reports yet
Date Added Friday, September 26th, 2014 at 3:04pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 458922 N 4228540
Decimal Degrees38.20388333, -75.46916667
Degrees and Decimal MinutesN 38° 12.233', W 75° 28.15'
Degrees, Minutes and Seconds38° 12' 13.98" N, 75° 28' 9.00" W
Driving DirectionsGoogle Maps
Area Code(s)410, 443
Closest Postal AddressAt or near 5707 Millville Rd, Snow Hill MD 21863, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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