| COULOMB | Military engineer whose name is given to a unit in physics (7) |
| MACH | Ernst, Austrian physicist whose name has been given to a unit of velocity (4) |
| WATT | Engineer whose name became the SI unit for power (4) |
| LAMBETH | London borough with a street whose name is given to a song and associated cockney walking dance (7) |
| COEHORN | A lightweight mortar named after a Dutch military engineer (7) |
| ALFREDO | Chef whose name is given to a sauce of butter and Parmesan cheese for fettuccine or other pasta (7) |
| ENSUITE | Forming a unit in French set (2,5) |
| PARSONS | Sir Charles Algernon -; engineer whose invention of the modern steam turbine in 1884 revolutionised marine propulsion (7) |
| SMEATON | Civil engineer whose revolutionary design of the third candlelit Eddystone lighthouse in Devon was inspired by the shape and strength of the oak tree (7) |
| RETREAT | Military engineers having to handle a quiet place |
| SUPREME | Drink to some military engineers who are paramount (7) |
| EXTREME | Last leave I rejected when attached to military engineers (7) |
| KELVINS | Temperature units in physics |
| DAVINCI | Italian artist and engineer whose paintings include the drawing Vitruvian Man (8,2,5) |
| EMPOWER | Authorise retired military engineers to lock up prisoner |
| TRIREME | Sound attempt by military engineers to create ancient warship |
| ETON | "River-town" in Berkshire whose name is given to a boys' school, a collar, a cropped hairstyle, a game of fives, a jacket and a mess of crushed meringue and strawberries (4) |
| SINCERE | Genuine as military engineers (7) |
| SAPPERS | Military engineers (7) |
| VICTORIANA | Bric-a-brac, collectables or objets characteristic of the age or era ruled by a queen whose name is given to a bravery decoration, a cake, a lily and a plum, among many other things (10) |