Curve, Heart Cam Small 270×320 Medium 540×640 Large 864×1024 Download Tiff Original 2026×2400 | (218.4 KB) Description "This is the curve of the heart cam for converting uniform rotary motion into uniform reciprocal motion." —French, 1911 Keywords Curve of the Heart Cam, Heart Cam Curve, motion, reciprocal motion, rotary motion Galleries Machines Parts Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)