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 has been the site of many historic protests and marches: Because of its status as the nation's capital, Washington, D.C. has been the site of numerous demonstrations and marches throughout U.S. history, including the March on Washington for Jobs and Freedom in 1963 and the Women's March in 2017.