Balloons

Examples

• At other times, free balloons are liberated, carrying sets of automatic registering instruments. Various. The Wonder Book of Knowledge.
• An air space of two feet is left between the cover and the balloons. William Henry Doolittle. Inventions in the Century.
• Germany meantime was intensely interested in Count Zeppelin’s dirigible balloons, which, although as long as a battle-ship, had flown with great success. Rupert S. Holland. Historic Inventions.
• Two captive balloons had been floated to show the course and also to give an indication of the proper altitude to maintain. Rupert S. Holland. Historic Inventions.
• Thinking the English slow to take up the interest in balloons, he wrote that we should not suffer pride to prevent our p rogress in science. Walter Libby. An Introduction to the History of Science.
• Wireless messages have been successfully sent from aeroplanes, balloons and submarine vessels, and the naval vessels of all nations are kept in easy communication by this method. Various. The Wonder Book of Knowledge.
• In communicating between points on land, poles of great height can be used, or captive balloons. Frank Lewis Dyer. Edison, His Life and Inventions.
• At these elevated points, whether upon the masts of ships, upon poles or balloons, condensing surfaces of metal or other conductor of electricity are located. Frank Lewis Dyer. Edison, His Life and Inventions.
• Small experimental balloons, containing not men, but recording instruments, have gone as high as twenty-two miles. H. G. Wells. The Outline of History_Being a Plain History of Life and Mankind.
• The frame is further strengthened and the balloons stayed by a network of aluminium wire, and the entire frame covered with a soft ramie fibre. William Henry Doolittle. Inventions in the Century.
• For temporary service, as in the case of military operations, the antenna is frequently attached to captive balloons or kites, and so suspended high in air. Rupert S. Holland. Historic Inventions.

Typist: Silvia