Coat of arms of Lautour

The blazon

erminois, a fesse, embattled, cottised, gu. in chief a tower, triple-towered, sa. — Crest, a dexter arm, in armour, embowed to the sinister, ppr. garnished or, supporting with the gauntlet a shield, erminois, charged with a fesse, embattled, cottised, gu. [Borne by Jos. Lautour, Esq. of Hex ton- House, Hitchin, Hertfordshire, 1825.]

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.