Herman Hollerith Historical

Herman Hollerith Historical (HM1U9X)

Location: Washington, DC 20007
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Country: United States of America
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N 38° 54.262', W 77° 3.674'

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In this building, Herman Hollerith perfected his pioneering punched card tabulating machines — the forerunners of today's computer systems. Hollerith moved his business here in 1892 while his early machines were at work on the U.S. census of 1890, the first major application of data processing equipment.Later he developed more automatic forms of the machines on this site employed by railroads, insurance companies, steel mills, governments and other organizations in the U.S. and abroad, Hollerith machines revolutionized the way information was processed.In 1911, Hollerith sold his tabulating machine company to the firm that became IBM. The company continued to use this building as a punched card plant until just before World War II.
Placed by the IBM Corporation
HM NumberHM1U9X
Year Placed1984
Placed ByIBM Corporation
Marker ConditionNo reports yet
Date Added Sunday, September 11th, 2016 at 1:02pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 321265 N 4308183
Decimal Degrees38.90436667, -77.06123333
Degrees and Decimal MinutesN 38° 54.262', W 77° 3.674'
Degrees, Minutes and Seconds38° 54' 15.72" N, 77° 3' 40.44" W
Driving DirectionsGoogle Maps
Area Code(s)202
Which side of the road?Marker is on the right when traveling South
Closest Postal AddressAt or near 1054-1066 31st St NW, Washington DC 20007, US
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