👉 Lithogravure is a type of printing process that uses copper plates coated with a thin layer of lead to print images and designs. The plates are typically used for scientific or artistic purposes, such as creating illustrations or etchings for books. The process involves applying a series of hot spots on the plate, which are then heated until they turn red or orange, depending on the type of image being printed. This technique is known for its unique appearance and vibrant colors, making it an important
