Why Leonardo da Vinci refused to use regular pencils and instead drew with pure solid silver. This medieval technique is called silverpoint. When the silver stylus touches paper, it oxidizes and leaves behind an ultra-fine metallic line. But it refuses to work on ordinary paper. It only draws on custom sheets prepped with a special mix of crushed b
This is an ancient tool called the silver point, which was Leonardo da Vinci's favorite method of drawing. And since it was invented way before the pencil, it didn't work on normal paper, so a mixture of bone powder and animal glue was applied before drawing. As this gave the surface a rough texture, so when the tool scraped against it, it left be
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