Sharpening Pen using Stone Small 320×175 Medium 640×349 Large 1024×559 Download TIFF Original 2400×1309 | (359.2 KB) Description An illustration of sharpening a pen to equal shape and length using a a stone soaked in oil. The pen is held about 30 degrees, and drawing line back and forth until sharpened to desired shape and length. Keywords Mechanical Drawing Tools, Sharpening Pen using Stone, Sharpening using Stone, stone sharpening Galleries Mechanical Drawing Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)
