Draft memorandum on the High Altitude Expedition, by Joseph Barcroft A note on the probbale minimum cost of the expedition to Peru, with a list of monies voted for a Monte Rosa Expedition, private subscriptions and additional funds not yet voted upon. A note in blue pencil by William Bate Hardy indicates the date of receipt at the Royal Society. On headed paper from the Athenaeum, Pall Mall. 7 July 1921