or rarely E39d. The second contact is used for the lower-wattage filament of the two inside the lamp. This extra contact is a ring located around the main contact. Unlike bayonet sockets, three-way and regular lamps are interchangeable, 三路的灯有一个 d 后缀表示两倍的联系,通常 E26d 或 ...
Fixing device for the accessories are interchangeable, such as specular or similar to the lamps, in particular of the lamps eclair photographicOn the reflector 11 are provided two lugs 3, 4, the dimensions of h, b, h, b different, each of which cannot pass through a recess which is ...
the electrodes including their conductive holders being in the form of an integral and interchangeable unit, is characterized in that the unit is provided with an insulated coupling member 14 for the holders extending longitudinally of the electrodes and bridging the space between their active ends. ...