These pages each show an image of a grid with tick marks to the left and bottom.
The first page has a grid of thick black lines, the second page has a grid of thick grey lines, the third a grid of thin grey lines, the fourth a grid of spaced black dotted lines, the fifth a grid of black dotted lines, the sixth a grid of fine dotted lines, the seventh a grid of grey dotted lines, the eighth a grid of black dots, the ninth a grid of grey dots, and the last a grid of small black dots.
