How did lampblack grinders ensure quality control?
Frequently Asked Question about the extinct profession: Lampblack Grinder
Lampblack grinders ensured quality control by implementing strict procedures during production. They monitored the consistency of the lampblack by checking its texture and color, ensuring it met specific standards. Regular sampling and testing were conducted to assess purity and performance. Additionally, skilled workers were trained to identify defects, maintaining high-quality output throughout the grinding process.