He was called to the bar, and acquired a practice in the court of king's bench.
He settled as a physician in London and soon acquired a large practice.
He was admitted to the Bar in 1858 and soon acquired a large practice in the north of the island.
Armstrong acquired a practice and also became a popular teacher of medicine.
He returned to Bombay in 1868, where he soon acquired a large practice.
He moved to London and soon acquired a large and fashionable practice.
He settled at Birmingham, and soon acquired a large practice.
He acquired an extensive and lucrative practice in the latter part of his life.
He acquired a large practice, and decided to remove to the thriving city of Lima in 1883.
In the following year he was called to the bar, where he rapidly acquired a good practice.