A paper by Thos. Graham "On the Law of the Diffusion of Gases" was published in the "Philosophical Magazine", vol. II (1833). The only paper by Graham on "Transpiration" is - "On Lquid Transpiration in relation to Chemical Composition". This appears in our "Philosophical Transactions" ['Philosophical Transactions of the Royal Society'] for 1851.
Asst. Sec. R.S. [Assistant Secretary, Royal Society]'.