In an electric call management the second coil (see wiring diagram) is only used for a short. It excited low-voltage EDS, which is sufficient to power the bulb 2.5—3.5 V. They can be decorative to make, incorporating, for example, in some plastic toy. Then she’s pressing the call button will light up. Optional lamp you can turn off the switch SA1. AVDEYEV
Recommend to read
DE HAVILLAN DH.82 “TIGER MOTH”
Developing the concept of training plane DH.60, John. De Havilland has created a new aircraft of the same class - DH.60T. He was distinguished by a reinforced airframe, a modified...
HOLD STILL, DETAIL!
Billet parts designed for machining, not be displaced, to rotate, to vibrate or deform under the action of the cutter. In the process of manual handling (this applies primarily to the...
