| Answer | Crossword Clue |
|---|---|
| evaporograph | a device giving direct or photographic images of objects in darkness by focusing infrared radiations from them onto an oil-film |
| Answer | Crossword Clue |
|---|---|
| evaporograph | a device giving direct or photographic images of objects in darkness by focusing infrared radiations from them onto an oil-film |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.