The Human Alarm Clocks of the Industrial Revolution!

💌 https://newsletter.simplyexplained.com FREE monthly newsletter for curious minds Before alarm clocks existed, knocker-uppers had the job of waking people up for work. They would go around with heavy stick and knock on their clients' doors or windows to wake them up for work. In return, the knocker-uppers were paid a few cents a week. 🌍 Socials
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