Figure 1
Ball point pen on paper with acute inclination.
Figure 2
Micro-photograph of the same ball point pen.
Figure 3
Microscopic examination of the writing line with inclination (10X).
Figure 4
Microscopic examination of the inclination outline parallel to the inked line (black ball point pen).
Figure 5
Distance of the ball of ball point pen from edge of the housing.
Figure 6
Microscopic examination of the outline, coming from the acute inclination on soft substrate.
Figure 7
Tracing drawn outlines away from the inked line.
Figure 8
Tracing drawn outlines not parallel with the inked line.