Swede Pen Small 57×320 Medium 114×640 Large 183×1024 Download Tiff Original 429×2400 | (140.3 KB) Description A Swede pen or a detail pen useful for a large work. Keywords Detail Pen, pen, pens, ruling pen, Swede Pen Galleries Mechanical Drawing Tools Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)