B612 Font Family
The best legible monotype font for computer screens I know of is M+ 1m regular.<p>Example:
<a href="https://www.dafontfree.net/data/41/m/94730/map/0-charmap-m-1m-regular.png" rel="nofollow noreferrer">https://www.dafontfree.net/data/41/m/94730/map/0-charmap-m-1...</a>