the built of a ship

They muste absteine from ouer much slepe, and not to slepe in the day time, nor [upon] the noddle of the head […]

Some hardware interrupts can be masked, or disabled; that is, the CPU is told to ignore them.

Inconsistent letter forms: e.g. upsila in 1.2; kappas in 1.7; long rho in πρωτον vs. short rho in ημετερα; epsila in επελθω.