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Models and Instruments

  1. INSTRUMENT FOR DRAWING IN SPHERICAL PERSPECTIVE
    Spherical perspective, Palermo, 1986
  2. THE CONIC COMPASS
    The conic compass: an instrument for drawing any kind of conic section through continuous movement, Roma, 1990
  3. OPTICAL SYSTEM FOR ORTHOGONAL PHOTOGRAPHIC PROJECTION
    Orthogonal photographic projection, Cracovia, 1990
  4. INSTRUMENT FOR AUTOMATIC SURVEY LFE
    The automatic survey LFE, Firenze, 1995