| Answer | Crossword Clue |
|---|---|
| photofloods | PHOTOFLOOD, an incandescent tungsten lamp |
| photoflood | an incandescent tungsten lamp |
| NERNST | Inventor of an incandescent lamp. |
| gaslights | A type of lamp in which an incandescent mantle is heated by a jet of burning gas |
| gaslight | A type of lamp in which an incandescent mantle is heated by a jet of burning gas |
| getters | any substance introduced into a partial vacuum, as the interior of a vacuum tube or an incandescent lamp, to combine chemically with the residual gas in order to increase the vacuum |
| getter | any substance introduced into a partial vacuum, as the interior of a vacuum tube or an incandescent lamp, to combine chemically with the residual gas in order to increase the vacuum |
