Further, there are outer glass bulb from which the air is exhausted and it ensures spinthariscope t

The lamp is a glass tube with two al. three electrodes. I tube made of quartz glass which is highly resistant to rapid temperature changes. From bulb differs in that the incandescent bulb is lit fiber (force 8%) but the gas discharge lamp is lit, actually its atoms, which are excited by electric shock to a higher level and then relax while the radiated energy that is given to each element. spinthariscope
High-pressure mercury lamp is located in the Neon. It consists of three main parts: the internal quartz-glass tube shall give argon and mercury. At normal temperature is low pressure in the tube, which allows the lamp ignition at low voltage (about 300V).
Further, there are outer glass bulb from which the air is exhausted and it ensures spinthariscope thermal insulation, shall contain the mimotoho even on the inner surface of the phosphor which converts "harmful" ultraviolet radiation into visible spinthariscope light. I'm at his picture outside the bank because I do without them easier to work with lamps because they are smaller. And the last part of the electrodes are sealed into our "mercury burner" between the two of them going through the arc which has a temperature (according to performance) to 2500 C. The third auxiliary electrode, which helps discharge ignited and fed through a power resistor.
Sodium lamp has a similar structure as mercury but has only two electrodes and therefore we have to use the ignition source vššieho voltage (1-5kV TOR. Thyristor lighter). Sodium lamp consists of two flasks.
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