Mastertape (Magnetic)
of Blackthorne Road, Poyle Trading Estate, Colnbrook, Slough.
1968 Mastertape (Magnetic) Ltd was a subsidiary of Brayhead. Its business was to manufacture random access storage discs and other computer peripherals[1].
1969 The future of Brayhead was highly dependent on the success of Mastertape (Magnetic), 49 percent of which was being swapped for an interest in an American competitor[2].
1972 The Mastertape (Magnetic) products were taking much longer than expected to reach market [3]
1973 Mastertape was put into a joint venture with a German computer company[4]. Brayhead's shares were then suspended pending sale of Mastertape and British Tools and Pressings[5]
1975 Mastertape was wound up; the Brayhead company was wound up at the end of the year[6]