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This collection consists of a letter, and a multipage description of a "Balloon Locomotive," from inventor Paul Haenlein to U. S. Minister to the Court of St. James's, Charles Francis Adams, asking him to share the balloon locomotive plans with the U. S. government. There is also a letter from Benjamin Moran (U. S. Embassy in London) to Edward Stanton, Secretary of War under the Abraham Lincoln and Andrew Johnson presidencies, in which the letter and description were forwarded.
Paul Haenlein (1835–1905) was a German engineer and flight pioneer. Haenlein studied at Technische Hochschule in Karlsruhe and received his education as a mechanical engineer and pattern maker. While working as a civil engineer for different German factories, he created a dirigible airship which was powered by an internal combustion engine. In 1869, Haenlein contacted Charles Francis Adams, U. S. minister to the Court of St. James's (United Kingdom), asking him to share his balloon locomotive plans with the U. S. government in hopes of selling his invention for military purposes. In 1872 Haenlein obtained a U. S. patent (No. 130 915) "Improvement in Balloon-Locomotives" to use the otherwise wasted gas in the dirigible's engines for propelling power as well as ascending.
NASM.XXXX.1206
Haenlein, Paul, 1835-1905
1867
Unknown, Unknown, Unknown, NASM.XXXX.1206.
0.01 Cubic feet (1 folder)
National Air and Space Museum Archives
This collection consists of a letter, and a multipage description of a "Balloon Locomotive," from inventor Paul Haenlein to U. S. Minister to the Court of St. James's, Charles Francis Adams, asking him to share the balloon locomotive plans with the U. S. government. There is also a letter from Benjamin Moran (U. S. Embassy in London) to Edward Stanton, Secretary of War under the Abraham Lincoln and Andrew Johnson presidencies, in which the letter and description were forwarded.
This collection is in original order.
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Balloon Locomotive Correspondence [Haenlein], NASM.XXXX.1206, National Air and Space Museum, Smithsonian Institution.
Aeronautics
Balloons
Collection descriptions
Archival materials