Historic Photographs - This picture circa 1900s shows knife grinders also called ventres jaunes ('yellow stomachs' referring to the yellow dust released by the grinding wheel). By laying face down, these yellow
Old Photographs - This picture circa 1900s shows knife grinders also called ventres jaunes ('yellow stomachs' referring to the yellow dust released by the grinding wheel). By laying face down, these yellow
![Knife grinders in France circa 1902. They worked lying down to save their backs and had dogs sit on their legs for warmth : r/Damnthatsinteresting Knife grinders in France circa 1902. They worked lying down to save their backs and had dogs sit on their legs for warmth : r/Damnthatsinteresting](https://mechtraveller.com/wp-content/uploads/Knife-grinders-in-early-20th-century-Thiers.jpg)