This essay presents well when viewed in Full Screen mode,
thus avoiding the need to scroll.
The PgDn key, the Side-Arrow key, and the Mouse scroll-wheel, will each change the page.
Using the Microsoft Edge browser to read the essay,
the Full Screen selector ( an inclined double-ended arrow.) is to be found at the Right-Hand end of the Third line down.
Using the Firefox browser to read the essay,
the Full Screen selector can be found by clicking "the double arrow-heads" at the extreme Right of the Third line down,
and then clicking 'Presentation Mode'.
In Full Screen mode, the Escape key ( Esc) returns to Normal mode.