Entitled: Utriusque cosmi maioris scilicet et minoris metaphysica ; by Robert Fludd, page 419. Fludd's philosophy is presented in Utriusque Cosmi, Maioris scilicet et Minoris, metaphysica, physica, atque technica Historia (The metaphysical, physical, and technical history of the two worlds, namely the greater and the lesser, published in Germany between 1617 and 1621). A breathing tube leads from the diver's mask to a funnel floating on a block of wood. Allows a diver to breathe while walking under water. |