Before revision: Some kits used to be quite complex devices such as colour television sets, oscilloscopes, high-end audio amplifiers and even computers such as the Heathkit H-8, and the LNW-80.
After revision: Some kits used to be quite complex devices such as color television sets, oscilloscopes, high-end audio amplifiers and even computers such as the Heathkit H-8, and the LNW-80.