These illustrations and article come from a copy of “The Graphic” Illustrated Weekly Newspaper (Chicago) dated October 31, 1891.
There is a full report of this competition on the Metal Type Forum here: 1891 Typesetting Competition.
The article reads, “The contest of composing machines in Chicago last week excited great interest not only among printers, publishers, and newspaper men, but the public generally.
This contest was arranged by the American Newspaper Publishers’ Association. The Mergenthaler ‘Linotype machine’ is in reality a type-making machine, which was invented seventeen years ago in Baltimore by Ottmar Mergenthaler.
View the in-depth report of this competition here: 1891 Typesetting Competition.