When he was eight years old, Armstrong was sent to a preparatory school in Hanwell under the care of a Dr Bond. He suffered much during this time from rheumatism and delicacy of health and his studies were often interrupted. In 1827, aged 14, he was sent to Charterhouse School.
At eight years old, Armstrong was sent to a preparatory school in Hanwell under the supervision of Dr Bond. He endured significant hardship due to rheumatism and poor health, and his studies were frequently interrupted. In 1827, at fourteen years old, he was transferred to Charterhouse School.