I. Fietz (4)

| Nowadays, just about every house has an outside lamp with a motion sensor. Such a device eliminates the need to feel your way to the front d...

| The mains filter described in ‘PC Topics’ (April 1998) could do with two useful additions: a fuse monitor and a voltage indicator. The f...

| When an appliance ceases to operate, there may be various causes for this, one of which isthe blowing ofthe mains fuse. The monitor prop...

| On some cars, it is convenient to couple the rear window wiper to the windscreen wiper. However, since the rear window does not get nearl...