| ISAACSINGER | US inventor who developed the first commercially successful sewing machine in 1851 (5,6) |
| SINGER | Inventor who designed, built and patented the first commercially successful sewing machine (6) |
| ELIASHOWE | US inventor who patented the first lockstitch sewing machine in 1846 (5,4) |
| BOBBINS | Small spools for use in a sewing machine in box F (7) |
| LEOFENDER | US inventor who developed the first massproduced solid- body electric guitar, the Telecaster, in 1951 (3,6) |
| OTIS | Elisha Graves ___, US inventor who developed the first elevator safety brakes in 1852 (4) |
| LOLLIPOP | The first commercially successful international ska song, recorded by Millie Small that reached number two in both the UK and the US in 1964 (2,3,8) |
| MYBOY | The first commercially successful international ska song, recorded by Millie Small that reached number two in both the UK and the US in 1964 (2,3,8) |
| COCHRANE | Inventor who patented the first commercially successful dishwasher in 1886 (9,8) |
| JOSEPHINE | Inventor who patented the first commercially successful dishwasher in 1886 (9,8) |
| ALFREDBINET | French psychologist who developed the first practical intelligence test |
| DEERE | John ---, American blacksmith and manufacturer who invented the first commercially successful steel plough in 1837 (5) |
| SAMUELMORSE | American portraitist and inventor who developed an electric telegraph (6,5) |
| IGORSIKORSKY | Which Russian-born US aircraft designer was responsible for the first commercially successful helico |
| MORSE | US inventor who developed the electric telegraph |
| PINGPONG | Basis for the first commercially successful video game |
| OLDS | Creator of the first commercially successful American auto |
| WOZNIAK | Designer of the first commercially successful personal computer |
| FENDER | Leo, U.S. inventor who developed the first mass-produced electric guitar (6) |
| GAILBORDEN | US inventor who developed condensed milk in 1853 |
