This could mean that the artist traced the illustration in two goes, as it were, or that the Utrecht Psalter slipped while he was tracing, but I do not think that the relative proportions are consistent enough to demonstrate this.

an upstart craned up to the height he has

He navigated the bomber to the Ruhr.

Eh, dear, Mr. Robert, sir, the master's waiting to hear you ask after your little cariad (sweetheart), Miss Hirell.