After leaving his formal job, Baird devoted his efforts to independent research and development of television. He experimented with various mechanical and electrical components, facing numerous setbacks and financial constraints.

Baird succeeded in transmitting a crude image over a short distance. This marked a significant breakthrough in his development of a working television system, even if the image quality was very poor.

Baird demonstrated his television system to a small audience. It was a significant step towards showcasing the potential of his invention.

Baird gave a public demonstration of his television system to members of the Royal Institution. He transmitted recognizable human faces, marking a pivotal moment in the history of television.

Baird successfully transmitted a television signal over 438 miles (705 km) of telephone line between London and Glasgow.

Baird transmitted a television signal across the Atlantic, between London and New York. This was a remarkable achievement, showcasing the range and possibilities of his technology.