Answer | Crossword Clue |
---|---|
arithmometer | (obsolete) an early adding machine |
arithmometers | ARITHMOMETER, (obsolete) an early adding machine |
SUMARCHAICALLY | Use an obsolete method of adding up numbers? |
phonograph | An early sound-reproducing machine that used cylinders to record as well as reproduce sound |
phonographs | An early sound-reproducing machine that used cylinders to record as well as reproduce sound |