“ The first thing that must have struck most visitors, ” writes Alison Plowden, author of Elizabethan England, “was the din: the clatter and hammering from a thousand workshops, the rumble and squeak of cart - wheels, the lowing of cattle being driven to market, the raucous cries of street vendors proclaiming their wares. ”
अब यांत्रिक ध्वनि के प्रभाव प्रकट होने लगे जब कारख़ानों में काम करनेवालों की श्रवण - शक्‍ति ख़राब होने लगी ।