Arthur Locker,
Dictionary of National Biography…
(1886)
“ He commanded the York in 1717, and the Advice in 1726 in the cruises up the Baltic. In 1727, during the siege of Gibraltar by the Spaniards, he commanded the Oxford, and in 1731 the Buckingham in the Mediterranean. In 1738 he was appointed to command the Hampton Court, and was senior officer at this station until the arrival of Admiral Vernon in the following year. His opportunity arrived in 1739, when, during the war with Spain, he served under Vernon in the attack on Portobello, in the isthmus of Darien. ”
