| HARLEYDAVIDSON | Motorcycle manufacturer credited with the invention of the chopper style |
| MINCER | Pitman holding the top of the chopper (6) |
| LUMP | A chopper-style gun barrel - just add sugar (4) |
| FAXING | Sending communication to team occupying one of the choppers (6) |
| ROWLANDHILL | ____ is credited with the invention of the postage stamp |
| HARGREAVES | James ?, 18th-century English weaver credited with the invention of the spinning jenny |
| SLOANE | Credited with the invention of drinking chocolate, a physician and collector whose material formed the basis of the Natural History Museum (6) |
| CARAVAGGIO | 16th-century Italian painter credited with the invention of tenebrism, a style of chiaroscuro (10) |
| BIFOCAL | Benjamin Franklin is credited with the invention of what type of spectacles? (7) |
| TEES | Piles of wet sand supporting golf balls prior to the invention of the pegs of the same name used today; or, the exact centres of houses in curling (4) |
| NOBEL | Credited with the invention of dynamite in the west, which Swedish chemist left a substantial fortun |
| ELLIS | William Webb ---, English clergyman often credited with the invention of rugby football (5) |
| KINGTON | Miles ___, British journalist, musician and broadcaster credited with the invention of Franglais |
| WEBB | William --- Ellis, English clergyman often credited with the invention of rugby football (4) |
| TYCHO | Danish astronomer (1546-1601) who made the most accurate measurements of the solar system prior to the invention of the telescope (5) |
| BRAHE | Danish astronomer (1546-1601) who made the most accurate measurements of the solar system prior to the invention of the telescope (5) |
| CORK | The bark of this oak is used to produce wine bottle stoppers, though in less quantities since the invention of the Stelvin closure |
| BICYCLE | Scots blacksmith, Kirkpatrick Macmillan is associated with the invention of this (7) |
| WATCH | A timepiece revolutionised by the invention of the mainspring (5) |
| SLIDERULE | Calculation tool used prior to the invention of the electronic calculator (5,4) |