I utilized a thin cork layer for the handle and intentionally left the spine rough to maintain the original texture, ... Blade Length : 150mm - Blade ... 2000 grit 3:40 Etching in ferric chloride ...

His first major microscopic achievement was engraving The Lord's Prayer, all 278 letters and of it, on the head of a gold pin. He says there are 1,841 separate engraved strokes, each of which must ...