[2] Bringing proof of his disfranchisement, dated 23 May 1696, he was examined, and admitted as a licentiate of the Royal College of Physicians on 22 December 1696.
[2] Colbatch offered his services to the "Charitable Society for relieving the Sick, Poor and Needy" in early 1716, which went on to found Westminster Hospital.
[3] Colbatch became famous in London for his medicines: a "Vulnerary Powder", with the power to stop bleeding without application of a tourniquet, and "Tincture of the Sulphur of Venus", which speeded healing.
While apparently initially successful on a trial involving a dog, the powder caused severe burns without slowing the bleeding when applied to humans.
[2] When the enervate aim Beyond their force, they still contend for shame; Had Colbatch printed nothing of his own He had not been the Saffold o' the town; Asses and owls, unseen, their kind betray If these attempt to hoot, or those to bray.