How to amuse yourself and others : the American girl's handy book (1887)
Beard, Lina, Beard, Adelia B. (Adelia Belle), 1857-1920 · New York : Charles Scribner's Sons · leaf 249
than the pot.This can be done by holding the pencil upright before the eyeat arms length, as in Fig. 144, so that it will cover the pot, andmeasuring by the thumb the height of the pot, then raising thearm so as to cover the plant, and comparing the measurementof the pot with the plant. The lines… … now we will draw in the pot, leaving the straight line throughits centre. On observing the plant we will see that it is not exactlystraight, and here again the straight line will be of assistance. By holding up our pencil, which represents the straight line,we will discover that the main stem of…
