I. [v74-01] based on a 1 × 1 cm grid, randomly selected number of grids (1-2 → 2) with random choice of colour (red or black) and a second grid with on the intersections dots with at random selected colour; coloured ink and graphite pencil on paper
II. [v74-18] on the intersections of the lines of a square grid (8 × 8 cm) dots in 1 size are distributed with at random choice of colour (red or black) [program as v73-76 and v74-17]; coloured ink and graphite pencil on paper
the other drawings in the sketchbook were made in 1975 and did not receiva a work number