Coat of arms of Butterworth

The blazon

gu. on a chev. betw. two lions, rampant, in chief, and an eagle, displayed, with two heads, in base, or, three cross crosslets az. — Crest, on a wreath, an eagle, wings elevated, erminois, supporting, with the dexter claw, an escocheon az, charged with a cross crosslet or. [Borne hy Joseph Butterworth, Esq. M.P. 1824.]

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.