Ключевые слова: abc, adding machine, alphabet, ancient, arithmometer, bank of keys, black, calculating machine, calculator, character, clavier, close up, comptometer, control panel, dust, dusty, figure, fingerboard, gray, iron, key, keyboard, keypad, letter, machine, machinery, macro, mechanics, mechanism, metal, number, numeral, numeric, old, plastic, remote control, retro, typewriter, vintage,