Word: specialization
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Dates: during 1900-1909
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...John C. Willis, Director of the Royal Botanic Gardens of Ceylon, will give the second of his lectures on "Tropical Agriculture, with Special Reference to Economic Problems," in the Nash Lecture Room, University Museum, this morning at 9 o'clock...
...ocean of the air has certain analogies to the ocean of water, but its navigation is more difficult on account of the instability of the atmosphere. The wind, temperature and humidity have been measured, but the wind currents are of special interest to aerial navigators. The wind currents differ greatly with the time of day and the height. Observations are made by sending up a rubber balloon which carries a basket containing instruments. As the balloon rises the hydrogen expands it until the balloon bursts, when the instruments fall to the ground. A height of eleven miles has been reached...
...LECTURE. "Tropical Agriculture, with Special Reference to Economic Problems." I. Dr. John C. Willis, Director of the Royal Botanic Gardens of Ceylon. Nash Lecture Room, University Museum...
...LECTURE. "Tropical Agriculture, with Special Reference to Economic Problems." II. Dr. John C. Willis, Director of the Royal Botanic Gardens of Ceylon. Nash Lecture Room, University Museum...
...LECTURE. "Tropical Agriculture, with Special Reference to Economic Problems." III. Dr. John C. Willis, Director of the Royal Botanic Gardens of Ceylon. Nash Lecture Room, University Museum...