Linotype Model 31

Historical marker location:

1150 15th Street Northwest, Downtown Washington, District of Columbia

( Marker is on 15th Street Northwest north of L Street Northwest, on the left when traveling north.)

Line-Casting Machine.

The District was the site of the first public monument to George Washington: The Washington Monument, which stands in the center of the National Mall, was built to honor the first U.S. president. It was completed in 1884, more than 50 years after construction began.