Logarithmic Spiral Sector

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In this illustration, “the driven surface of the slide coincides with the tangent to the spiral, the line of centres being from o through c to infinity and perpendicular to the direction of motion of the slide."”




Peter Schwamb, S.B. And Allyne L. Merrill, S.B. Elements of Mechanism (New York, NY: John Wiley & Sons, Inc., 1904)


TIFF (full resolution)

2400×2198, 242.2 KiB

Large GIF

1024×937, 35.2 KiB

Medium GIF

640×586, 20.1 KiB

Small GIF

320×293, 8.6 KiB