World Physical, Isothermal Lines, 1856.

"Isothermal Lines, Shewing the Mean Annual Temperature of the Different parts of the Earth's Surface" by George Aikman, published in Black's General Atlas, 1856. Lithographic map with original hand colouring. Part of the upper margin trimmed with some loss of the title (see scan). Size 39 x 27 cms plus margins. Ref F8966