Playograph

It is approximated by the "gamecast" feature on some sports web sites: it had a reproduction of a baseball diamond, with an inning-by-inning scoreboard, each team's lineup, and it simulated each pitch: a ball, a strike, a hit, an out, and so on.

[1] Several innovations were introduced later on[2] such as its shift from mechanical to electronic and the use of colored lights to indicate players, their position on the field, and whether the batter was safe or out.

[3] An account also cited an installation by The San Diego Sun and described the Playograph as "imposing in size and appearance, readable from a distance and as clear to understand as a first grader.

"[4] The Playograph also became a regular social event as people attended the display in large numbers and there are those who even paid as much as 50 cents per game to witness the live updates.

The popularity of the Playograph declined after the emergence of the radio stations, which began airing the live broadcast of baseball games.