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• n  a measuring instrument for recording the depth and rapidity of breathing movements

News & Articles

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• 8 ways to photograph a ferris wheel
  A several second exposure of the ferris wheel while zooming the lens inward. A several second exposure of the ferris wheel as it moved. Several-second exposure of the ferris wheel while zooming the lens in and out a couple of times. Looks like the old-fashioned spirograph.
  June 28, 2013 - The Goshen Chronicle