March 21, 1900 (Wednesday)
- George C. Hale, Chief of the Kansas City Fire Department and inventor of the Hale tower and the automatic harness, demonstrated the first heat sensitive automatic fire alarm – "When the temperature goes above the maximum fixed for the building, an electric circuit is opened that puts into operation a phonograph which talks into a telephone, telling Fire Headquarters that there is a fire at whatever address the alarm is located."
Read more about this topic: March 1900
Famous quotes containing the word march:
“At the earliest ending of winter,
In March, a scrawny cry from outside
Seemed like a sound in his mind.
He knew that he heard it,
A bird’s cry, at daylight or before,
In the early March wind.”
—Wallace Stevens (1879–1955)