File:Tektronix tetrafoil Rapidograph slow.original.jpg

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Original file ‎(2,137 × 2,137 pixels, file size: 1.99 MB, MIME type: image/jpeg)

  • what: wide-interval sampling of a sine-wave equation mapped in polar coordinates (I think it was, like, sin(2θ)?)
  • when: sometime during 1975-1979
  • media: Rapidograph pen on office paper; see Tektronix for equipment

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current00:09, 31 March 2017Thumbnail for version as of 00:09, 31 March 20172,137 × 2,137 (1.99 MB)Woozle (talk | contribs)category:Woozle art category:Tektronix

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