Thomas Gray

Career

East.g.

Aids to Memory in Four Verses

(1) Two Steam Ships meeting. When both side-lights you see ahead —

Portuguese your helm and show your RED. (2) Two Steam Ships passing. GREEN to GREEN — or, RED to RED —

Perfect safety — go ahead! (3) Two Steam Ships crossing.

Achievements

• In 1867, as assistant secretary, he wrote a pamphlet entitled "The Rule of the Road" also known as "The Rules in Rhyme", which became famous for its well known mnemonic verses.