Marker Logo HMdb.org THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”
Georgetown in Washington, District of Columbia — The American Northeast (Mid-Atlantic)
 

Herman Hollerith

Tabulating Machine

 
 
Herman Hollerith Marker image. Click for full size.
By J. Makali Bruton, September 10, 2016
1. Herman Hollerith Marker
Inscription.  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.
 
Erected 1984 by IBM Corporation.
 
Topics. This historical marker is listed in this topic list: Industry & Commerce. A significant historical year for this entry is 1892.
 
Location. 38° 54.262′ N, 77° 3.674′ W. Marker is in Georgetown in Washington, District of Columbia. Marker is at the intersection of 31st Street Northwest
Herman Hollerith Marker image. Click for full size.
By J. Makali Bruton, September 10, 2016
2. Herman Hollerith Marker
The marker is on the building's southern corner. The C&O Canal and Towpath are just south of the building.
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and C&O Canal Towpath Northwest, on the right when traveling south on 31st Street Northwest. Touch for map. Marker is at or near this postal address: 1054 31st Street Northwest, Washington DC 20007, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within walking distance of this marker. The History of Canal Square (a few steps from this marker); A Long Stretch of Quiet and Peace… (a few steps from this marker); The Georgetown House (a few steps from this marker); Creating a National Park (within shouting distance of this marker); At All Hours (about 300 feet away, measured in a direct line); Mule Power (about 300 feet away); Georgetown and the Chesapeake & Ohio Canal (about 400 feet away); 5 Congress at Oak Alley (about 400 feet away). Touch for a list and map of all markers in Georgetown.
 
Herman Hollerith Marker image. Click for full size.
By J. Makali Bruton, September 10, 2016
3. Herman Hollerith Marker
The marker is on the front of the building. An additional marker, including a quote from William O. Douglas about the C&O Canal, can be seen on the building's southern face.
 
 
Credits. This page was last revised on January 19, 2022. It was originally submitted on September 11, 2016, by J. Makali Bruton of Querétaro, Mexico. This page has been viewed 394 times since then and 4 times this year. Photos:   1, 2, 3. submitted on September 11, 2016, by J. Makali Bruton of Querétaro, Mexico.

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Jan. 27, 2022