Telescopes,
Barlow, Peter. 1776-1862.
On the performance of fluid refracting telescopes, and on the applicability of this principle of construction to very large instruments.
(Cut from Royal society, London, Philosoph. trans. Vol. 121, pl. 1 pp. 9-15. Lond. 1831.) No. 1 in **E,5122.3
Same. in Royal Society. London, Phil. Trans. vol.
121e. pp. 9-15 London. 1831.
*3250.3.121