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Interest in the new field of aeronautics grew dramatically when the United States entered the World War I in 1917. The army chose Dayton as the site for a research-and-development program for military aviation because of the area’s transportation links to major cities and its engineering and testing facilities. McCook Field, north of downtown between Keowee Street and the Great Miami River, was charged with researching, developing, and testing military airplanes and accessories. For nearly a decade, many advancements in aviation occurred at McCook Field. They included new aircraft, controllable-pitch propellers, bulletproof gas tanks, free-fall parachutes, and night-observation cameras. In the 1920s, larger and more-powerful aircraft overwhelmed the small field, which featured a large sign to warn pilots: “This field is small. Use it all.” In 1927, aeronautical engineering was transferred to newly-created Wright Field, now a part of Wright-Patterson Air Force Base.
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A colossus of engineering acumen and structural steel, the Airdock was built in 1929 as the construction facility for the U.S. Navy’s rigid airships, the USS Akron (1931) and USS Macon (1933). The airships, or dirigibles, served as the fleet’s aerial watchdogs, but with the advancement of aircraft carriers, the Navy no longer needed these leviathans of the skies, which were large enough to carry five biplanes. Eleven steel parabolic arches, cresting at 211 feet, create one of the largest open space interiors in the world and shelter more than 364,000 square feet of floor space. Only one of the arches is fixed to its concrete piling. Its 660-ton spherical doors rest on flatbed railroad cars to open. The Airdock, a National Civil Engineering Landmark, was added to the National Register of Historic Places in 1973.
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The innovations of Dr. Karl Arnstein (1887-1974), an aerospace industry pioneer, form the foundation for lighter-than-air technology in use today. His mathematical proof and application of modern stress analysis allowed the construction of larger, stronger rigid airships. Born in Prague, he led airship design at the Luftschiffbau-Zeppelin Company in Germany. Dr. Arnstein immigrated to Akron, Ohio, in 1924 to serve as vice-president of engineering at Goodyear-Zeppelin Corporation. With his team of twelve German immigrant engineers, Arnstein oversaw development of the Navy’s dirigibles Akron and Macon. He received 35 U.S. aviation related patents, from designs for hollow metal girders to an aerodynamic airship hanger, the Airdock in Akron. From 1940 until retirement in 1957, Dr. Arnstein headed engineering at Goodyear Aircraft Corporation, a leading aerospace contractor, which produced more than 200 Navy blimps, 4,000 Corsair fighter planes, plus airplane and missile parts.
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The Ohio-Erie Canal was built between 1825 and 1832 and extended 308 miles from Lake Erie at Cleveland to the Ohio River at Portsmouth. The greatest engineering achievement in Ohio up to that time, the canal gave the state’s farmers and merchants much greater access to goods and markets and was instrumental in the young state’s rapid growth. Lockbourne was a focal point of activity on the canal with its staircase of eight lift locks (numbered 23 through 30), two canal basins, and junction with the Columbus Feeder. Locke Meadow Park encompasses the remnants of Lock 30 and the Big Walnut Creek guard lock, which prevented flood water from entering the main canal. The Lock Tender’s house was located adjacent to Lock 30.
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The Ohio-Erie Canal was built between 1825 and 1832 and extended 308 miles from Lake Erie at Cleveland to the Ohio River at Portsmouth. The greatest engineering achievement in Ohio up to that time, the canal gave the state’s farmers and merchants much greater access to goods and markets and was instrumental in the young state’s rapid growth. Lockbourne was a focal point of activity on the canal with its staircase of eight lift locks (numbered 23 through 30), two canal basins, and junction with the Columbus Feeder. Locke Meadow Park encompasses the remnants of Lock 30 and the Big Walnut Creek guard lock, which prevented flood water from entering the main canal. The Lock Tender’s house was located adjacent to Lock 30.
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Dr. Ronald A. Parise (1951-2008), from Warren, was a payload specialist for the Astro 1, Columbia, and Astro 2, Endeavour, space shuttle missions in 1990 and 1995. He logged in more than 614 hours in space. Among his scientific studies, Parise (WA4SIR) brought amateur radio equipment aboard the shuttle, enabling crew members to communicate with schools and others on Earth. Dr. Parise held planning and communications engineering support roles for human space flight projects, including the Russian space station Mir, the International Space Station and the X-38, a vehicle intended to return astronauts to earth from space. Dr. Parise was involved with many research projects, including the evolution of stars in globular clusters, which resulted in several publications. (Continued on other side)
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In 1887, John Eisenmann designed this stick-style building for the Peninsula Board of Education so that it could consolidate two one-room school houses. The Peninsula and the Boston Township Boards of Education merged in 1919. The brick addition, designed by architects Harpster and Bliss, was built in 1920. The trustees of Boston Township purchased this property in 1939 from the Board of Education. Union Grange #2380 occupied the first floor for nearly 50 years. The non-profit Boston Township Hall Committee, Inc. was formed in 1990 to work with the township trustees to restore the building.
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The Covington-Cincinnati Bridge Company under the leadership of Amos Shinkle built the first Ohio River bridge linking the North and South following the Civil War. The bridge was privately operated until purchased in 1955 by Kentucky and later renamed the “John A. Roebling Suspension Bridge.” Completed in 1866, this National Civil Engineering Landmark was the only bridge in service over the Ohio River during the 1937 flood. Since 1976, its national and local heritage has been commemorated with beautification lighting and flags sponsored by the citizens and institutions for which the bridge stands as a community symbol. (Continued on other side)
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