| Answer | Crossword Clue |
|---|---|
| ARCHIMEDESSCREW | Invention of 200's B.C. |
| BARBEDWIRE | Lucien B. Smith's invention: 1874 |
| PHONED | Used A.G.B.'s invention |
| Answer | Crossword Clue |
|---|---|
| ARCHIMEDESSCREW | Invention of 200's B.C. |
| BARBEDWIRE | Lucien B. Smith's invention: 1874 |
| PHONED | Used A.G.B.'s invention |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.