Brand name often identified as Thorpe. Bower Electric Ltd, 15 Grape Street, Shaftesbury Avenue, London WC2. See Tyne, "Saga of the Vacuum Tube" p.388. See also the book: British Radio Valves, The Vintage Years.
Brand name often identified as Thorpe. Bower Electric Ltd, 15 Grape Street, Shaftesbury Avenue, London WC2. See Tyne, "Saga of the Vacuum Tube" p.388. See also the book: British Radio Valves, The Vintage Years.