This image comes from the French book Liber Mutus Latomorum which seems to contain historical degrees. This tower has no ladder and neither appears to be the tower of Babel.
Les Plus Secret Mysteres (1820) speaks of: “The Tower where the murderers of Hiram are locked up”. Judging the three guys above, this might well be the explanation of the image above as well.
More about the book here.
Mutus Liber Latomorum (1765)