Rota – 45

signed lower right in graphite titled lower center in graphite artist’s inkless embossment stamped lower left hardware: IBM 1130 Computer software: FORTRAN output machine: IBM 627 Drum Plotter RCM Galerie, Paris, France label adhered to the back of the frame exhibited in Tendencies 5 in Zagreb, Croatia, 1973

Torus

signed lower right in graphite titled lower center in graphite artist’s inkless embossment stamped lower left hardware: IBM 1130 Computer software: FORTRAN output machine: IBM 627 Drum Plotter RCM Galerie, Paris, France label adhered to the back of the frame exhibited in Tendencies 5 in Zagreb, Croatia, 1973

Elips

signed lower right in graphite titled lower center in graphite artist’s inkless embossment stamped lower left hardware: IBM 1130 Computer software: FORTRAN output machine: IBM 627 Drum Plotter RCM Galerie, Paris, France label adhered to the back of the frame exhibited in Tendencies 5 in Zagreb, Croatia, 1973