FIELD: electrical engineering. SUBSTANCE: filament lamp is intended for lighting of rooms. Salient feature of invention is like this: two or more luminous elements can be switched on in turn with hand switch built-in in base part of lamp. Switching over can be conducted without unscrewing lamp from lamp-holder. EFFECT: expanded operational characteristics. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LAMP | 2020 |
|
RU2754270C1 |
| COMBINED LIGHTING LAMP | 1994 |
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SU34420A1 | |
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RU2140116C1 |
| LIGHTING FIXTURE | 1992 |
|
RU2031475C1 |
