Is there an ellection's applicational example

1
I read the following lines:

When you desire to perform your work in the day, arrange that the Moon be in the Ascendant, and that a diurnal sign be rising; if it is done at night, let a nocturnal sign be rising. And let there be rising a sign of direct ascension, for works of magic which are light [i.e., trivial] and certain; and let there be rising a sign of tortuous ascension for more serious works. And for that reason let the helpful [planets] be in a fortunate aspect [to the working]; for if there ascends a sign of direct ascension and an infortune is present therein, the work is destroyed and spoiled

Actualy, i could'nt remember the refrence ? how could we collect in a certain time between all of those benefits ?
Does there an application example ?