19 resultados para Robotic Excavation

em Brock University, Canada


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Construction work taking placce at the site of the Aquatic Centre.

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Cross sections of excavation required to make a ditch on the earth side of the railroad near Port Dalhousie. This is a 12 page booklet of hand- drawn charts and diagrams which is slightly stained. Text is not affected, Mar. 1860.

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Letter regarding prices for the excavation to S.D. Woodruff from Dexter Deverardo, Feb. 22, 1856.

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List showing the quantity of excavation from lot no.5 to Marshville Culvert, n.d.

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Estimate of amount of excavation done by A. Cook on the ditch for marsh lands drainage, Aug. 29, 1855.

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An estimate for Cook and Lauder for the excavation of marsh lands main drain for the month of October, 1856. This is signed by Fred Holmes, Oct. 1856.

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Final estimate for Mains and [Drew?] for excavation on the marsh lands main drain for the month of December. Included with this is a time list on marsh lands for the months of October, November and December for Fred Holmes, Joseph Simpson and William Baird. This is signed by Fred Holmes. The item is slightly burned. This does not affect the text, Dec. 1856.

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Estimate for Cook and Lauder on the excavation or marsh lands main drain signed by Fred Holmes, Jan. 27, 1857.

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Estimate for A. Cook for the excavation of the marsh lands main drain during the month of July for A. Cook and Rose Osborne. This was sent to S.D. Woodruff by Fred Holmes, July 27, 1857.

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Estimate for A. Cook for excavation on marsh lands main drain. This is signed by Fred Holmes, Aug. 28, 1857.

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Chart of approximate quantity of excavation in slides in the deep cut, July 1, 1848.

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Abstract of quantity of excavation for lock no.12, July 4, 1854.

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Letter which contains a report to George Rykert of Friends of the Port Dalhousie Thorold Railway. In this unsigned letter regarding contracts for the railway, it is suggested that the quantity of the excavation could have been done at 25 cents less per yard, July 23, 1855.

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Letter sent to S.D. Woodruff from Francis Lalor regarding the last estimate of work. Mr. Lalor points out some additional work that was done, including: cart-road, culvert excavation and ditching, Mar. 29, 1855.

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According to legend, the Burning Springs were discovered by early natives in the Niagara Peninsula. Bridgewater Mills was built on the site of the spring. During the excavation of the factory; workmen uncovered the spring. Samuel Street and Thomas Clark recognized the potential of this as a tourist attraction so they built a wooden shelter over the spring. The spring was covered with a barrel with a pipe protruding from it. This became the first tourist attraction at Niagara. The Cave of the Winds was a cavern located behind the Bridal Veil Fall. It was originally named the Aeolus Cave. In 1920, a sudden rock fall from the ceiling killed 3 tourists. The cave was destroyed in 1955 as it was deemed dangerous. The captain of the Maid of the Mist was usually a farmer who owned the land where the ship docked. In 1846, the first steam powered Maid of the Mist was launched. By 1848, the first suspension bridge was built over the gorge and the main purpose of the Maid of the Mist was no longer to carry people who needed to travel, but now the focus was on people who wanted to view the Falls at close range. Source: http://www.niagarafrontier.com/burningsprings.html http://www.niagarafrontier.com/winds.html http://reservationsystems.com/niagara_daredevils/maid_of_the_mist.html