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eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.
The Millionaire was advertised as being the "only calculating machine on the market ... that requires but one turn of the crank ... for each figure in the multiplier or quotient," making it the fastest calculator available. [12] Advertising from 1913 claims that the United States government had purchased over 100 Millionaire calculators. [13]
Robert William Kastner (30 August 1928 – 11 April 2021), commonly known as R.W. Kastner or Kas Kastner, was a builder and tuner of racing cars, a racing driver, and an author. [3] He also raced sailing boats competitively. At different times he was Director of Motorsports in the United States for both the Triumph Motor Company and Nissan.
Principle of rope-shovel operation. [1]A power shovel, also known as a motor shovel, stripping shovel, front shovel, mining shovel or rope shovel, [2] is a bucket-equipped machine usually powered by steam, diesel fuel, gasoline or electricity and used for digging and loading earth or fragmented rock and for mineral extraction. [3]
Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
Mining Machinery Engineering is an interdisciplinary branch of engineering that applies the principles of mechanical engineering and electrical engineering for analysis, design, manufacturing and maintenance of mining equipment.
The Big Muskie was a model 4250-W dragline and was the only one ever built by the Bucyrus-Erie company. [1] With a 220-cubic-yard (170 m 3) bucket, it was the largest single-bucket digging machine ever created and one of the world's largest mobile earth-moving machines alongside the Illinois-based Marion 6360 stripping shovel called The Captain and the German bucket wheel excavators of the ...
An endless rope system was developed in Nottinghamshire around 1864, and another independently developed near Wigan somewhat later (also in England). [29] In these systems, individual cars or trains within the mine could be connected to the cable by a grip comparable to the grips used on surface cable car systems. [30]