1,373,948 research outputs found
Hughie McIntosh
"Gnr Hughie McIntosh 112 Lt A/A Regiment "Bofors" 1942 - 1945".Gunner Hughie McIntosh. 112 Light Anti Aircraft Regiment "Bofors" 1942 - 1945
Robert "Say" McIntosh materials
This collection contains biographical materials about Robert "Say" McIntosh and a number of his flyers
Fort McIntosh engraving
This engraving features a sketch of Fort McIntosh, which was established in 1778 near present-day Beaver, Pennsylvania. The log fort is situated on a bluff above the Ohio River, slightly less than a mile below the mouth of the Beaver River. Paths zigzag down the bluff to the river. The fort itself consists of logs placed horizontally; a flag attached to a flagpole is waving high above the palisade. A caption below the drawing reads: “View of Fort McIntosh.”
The western wilderness played a major role in American, British, and American Indian strategy during the American Revolution. In May 1778, General George Washington, commander of the Continental Army, ordered Brigadier General Lachlan McIntosh to establish a new fort in the Western Department, one of the regional divisions within the Continental Army. The Western Division included the area that would become the Northwest Territory, including the future state of Ohio. The French engineer who designed the fort, Chevalier DeCambray, named it in honor of its new commander.
During the American Revolution, Fort McIntosh had the largest assembly of troops west of the Alleghenies. Originally the fort was intended to be the starting point for an offensive against the British garrison at Detroit and against the Wyandot Indians. At the time, most American Indians residing in the Ohio Country allied themselves with the British. Although they were neutral in the conflicts, the Christian Delaware Indians were among the few natives who were friendly to the Americans.
During November 1778, McIntosh decided not to carry out his orders due to the winter months that lay ahead. Rather he decided to wait until the warmer spring months before conducting his attacks. Instead, he ordered the construction of a fort along the Tuscarawas River (Fort Laurens, near modern-day Bolivar, Ohio) to help his men survive the harsh winter weather. Fort Laurens was Ohio’s only Revolutionary War fort.
In 1785 Fort McIntosh was the site of meeting where a treaty was signed by representatives of the Continental Congress and by American Indian tribal leaders from the Chippewa, Delaware, Ottawa, and Wyandot. They signed a treaty that surrendered control of American Indian lands in southern and eastern Ohio to the United States government. Most Indians rejected the validity of the treaty, and rather than improving relations, the Treaty of Fort McIntosh only intensified existing tensions between the United States government and the Indian tribes
John G. McIntosh House
207 Morris Avenue was built by John George McIntosh in 1892, and is known as the John G. McIntosh House. McIntosh purchased the plot of land in 1887 for $10 and built his home on the East Side. The house is pictured on the left of the photo. Unlike many of the Federal Revivalist houses in East Providence, the John G. McIntosh House is categorized as a cottage with a sloping mansard-roof. After its initial construction, it had Queen Anne features added, such as a bay window and a curved oriel window. The mansard-roof is an example of the French Baroque Revivalist style. Taken in approximately 1970, the photo showcases a process of exterior house renovation occurring on the East Side. The house next to the McIntosh House is being stripped of stucco and re-outfitted with siding.https://digitalcommons.ric.edu/smolski_images/1189/thumbnail.jp
Ronald A. McIntosh: pioneer Southern Hemisphere meteor observer
The Auckland amateur astronomer Ronald A. McIntosh was New Zealand’s premier meteor researcher from the mid-1920s through the mid-1940s and was a leading authority on Southern Hemisphere meteor showers. Using his own visual observations and those contributed by other members of the Meteor Section of the New Zealand Astronomical Society (later the Royal Astronomical Society of New Zealand) McIntosh was able to write a succession of research papers and reports on various aspects of meteor astronomy. Collectively, these made an important contribution to meteor science in the days before the advent of radar investigations of meteors. In this paper we review McIntosh’s meteor astronomy publications and then summarise the launch of New Zealand radar meteor astronomy immediately after World War II
Green and White Basket quilt, made by Edith McIntosh
Image of a green and white basket quilt created in 1919 by Edith McIntosh. Also includes questionnaires describing the quilt completed by Anne Slick Swindlehurst as part of the Utah Quilt Guild\u27s documentation days held from 1988-1994. This quilt was made by Edith McIntosh in 1919, who was born 1854 in California, Married to Bert McIntosh in Seattle Washington. The quilt was made for Anne S. Swindleburst\u27s mother as a bridal gift and got to Utah in 192
Letter from Jno. A. Rawlins to Secretary of the Interior with a letter from John B. McIntosh, 1869
Enclosed a letter from J. B. McIntosh requesting to be allowed coomutation for fuel and quarters
John H. McIntosh to Peter Kean, May 10, 1823
John H. McIntosh wrote to Peter Kean, address not included. There was a spelling error on the payment that was sent to Peter that may interfere with his ability to get the money.
People Included: Elizabeth McIntosh, Mr. Carmochanhttps://digitalcommons.kean.edu/lhc_1820s/1069/thumbnail.jp
The effect of oxygen starvation on ignition phenomena in a reactive solid containing a hot-spot
In this paper, we explore the effect of oxygen supply on the conditions necessary to sustain a self-propagating front from a spherical source of heat embedded in a much larger volume of solid. The ignition characteristics for a spherical hot-spot are investigated, where the reaction is limited by oxygen, that is, reactant + oxygen ? product. It is found that over a wide range of realistic oxygen supply levels, constant heating of the solid by the hot-spot results in a self-propagating combustion front above a certain critical hot-spot power; this is clearly an important issue for industries in which hazard prevention is important. The ignition event leading to the formation of this combustion wave involves an extremely sensitive balance between the heat generated by the chemical reaction and the depletion of the reactant. As a result, for small hot-spot radii and infinite oxygen supply, not only is there a critical power above which a self-sustained combustion front is initiated there also exists a power beyond which no front is formed, before a second higher critical power is found. The plot of critical power against hot-spot radius thus takes on a Z-shape appearance. The corresponding shape for the oxygen-limited reaction is qualitatively the same when the ratio of solid thermal diffusion to oxygen mass diffusion (N) is small and we establish critical conditions for the initiation of a self-sustained combustion front in that case. As N gets larger, while still below unity, we show that the Z-shape flattens out. At still larger values of N, the supercritical behaviour becomes increasingly difficult to define and is supplanted by burning that depends more uniformly on power. In other words, the transition from slow burning to complete combustion seen at small values of N for some critical power disappears. Even higher values of N lead to less solid burning at fixed values of power
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