Garstin was an accomplished draughtsman.
"Reminiscences of a South African Pioneer"
W. C. Scully
He had served the public, gratis, upwards of two years, as a draughtsman and surveyor.
"Journal of an Expedition into the Interior of Tropical Australia In Search of a Route from Sydney to the Gulf of Carpentaria (1848) by Lt. Col. Sir Thomas Livingstone Mitchell Kt. D.C.L. (1792-1855) Surveyor-General of New South Wales"
Thomas Mitchell
In illustrations by him of the tale of fashionable life, or of Grabalotti, the genius of that great artist would have had full play; but as the draughtsman of fashion-plates it was, in my opinion, degraded.
"John Leech, His Life and Work. Vol. 1"
William Powell Frith