The experiments I am about to relate ... may be repeated with great ease, whenever the sun shines, and without any other apparatus than is at hand to every one.
Thomas Young, John Leitch (1855). “Miscellaneous Works of the Late Thomas Young, M.D., F.R.S., &c: And One of the Eight Foreign Associates of the National Institute of France. Vols. I. & II., Including His Scientific Memoirs, &c”, p.181
