Ronald Dekker (4)

| A yarn from a Dutch author about finding a Pye battery receiver in an English antques store, taking it home, and restoring it to its former...

| A strangely tense mood prevailed in the Philips valve plant on the Emmasingel in Eindhoven (The Netherlands, a.k.a. Holland) on the evening...

| For a long time, the grid dip meter was the ‘HF multimeter’ of every RF engineer or technician. Like an ordinary multimeter, it is a simple...

| To allow glow discharge valves to be operated directly by low-voltage transistor circuits, a pair of researchers at the Philips Research Lab...