| BABBAGE | Charles, London born mathematician who built a machine which was a forerunner of the computer (7) |
| TAPPETS | Moving parts in a machine which transmit motion in a straight line between a cam and another part (7) |
| SKA | Music style which was a forerunner of reggae |
| WHIST | Card game for four which was a forerunner of bridge (5) |
| GENERATOR | A machine which produces electricity (9) |
| OREOS | MIT built a machine to twist them (2022) |
| CHARLES | Given name of the polymath considered the father of the computer who invented the difference engine and worked with Ada Lovelace on the later analytical engine (7) |
| COULOMB | Name, inscribed on the Eiffel Tower, of a French engineer who built a fort in Martinique before pioneering the concept of electric charge required to calculate electrical power (7) |
| GALILEO | First name of the Pisa-born astronomer and physicist who built a telescope and discovered four of Ju |
| HITTITE | Member of an ancient people of Anatolia who built a great empire in the second millennium BC (7) |
| CEZANNE | French artist identified with postImpressionism and also as a forerunner of Cubism whose paintings include House in Provence, The Card Players, The Basket of Apples and Bathers (7) |
| PRINTER | Machine which creates a hard copy of a digital document (7) |
| TOOLBAR | Functional row of buttons across the top of the computer screen |
| DIAMOND | Steve - - - , ex-Sale boss who built a home bar during lockdown (7) |
| COINBOX | Part of a slot machine which takes the money (4,3) |
| MONITOR | He looks after part of the computer set up (7) |
| HADRIAN | Who built a defensive wall across northern England? (7) |
| TRAPPED | Song by Colonel Abrams released in 1985, regarded as a forerunner of house music (7) |
| BATTLEDORE | Short name of a game played with a shuttlecock and rackets that was a forerunner of badminton (10) |
| OFFLINE | Operating independent of the computer |
