History of Sony research video

Very good source of research, the video explains some of Sonys major product releases and how and where they were manufactured.

1) 1950 first tape recorder in japan
2) 1955 first transistor radio (already researched)
3) 1960 worlds first transistor TV set
4) 1962 5 inch micro TV set
5) 1963 worlds first all transistor video corder
6) 1968 3 drawn colour TV (one of the most important products)