For the best answers, search on this site https://shorturl.im/YQk24. Apply any emollient cream to the elbows at night before going to bed. The cream will work overnight to soften the elbows. Morning while shaving or bathing, after applying soap, gently rub a pumice stone on the rough parts.
The textile industry significantly grew during the Industrial Revolution. The demand for cloth grew, so merchants had to compete with others for the supplies to make it.
Before the Industrial Revolution, hand spinning had been a widespread female employment. It could take as many as ten spinners to provide one hand-loom weaver with yarn, and men did not spin, so most of the workers in the textile industry were women. The new textile machines of the Industrial Revolution changed that.