LP (Collmbia) was invented (jan 1, 1948 – jan 1, 1949)
Description:
the Long Playing "microgroove" LP record format rotated at 33⅓ revolutions per minute, soon became the standard for the gramophone record for half a century. William Savory is credited with making it possible.Added to timeline:
Date:
jan 1, 1948
jan 1, 1949
~ 12 months