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Bar gates, especially manually operated ones, are often counterweighted to allow easier manual control. [7] Bar gates are frequently paired end to end or closely offset to block traffic in both directions. Some bar gates also have a second arm which hangs 30 to 40 cm below the upper arm when lowered to increase approach visibility.
A "great ditch", later called Bar Dike, had been built on west side of the town by 1169, and by the 13th century there were a couple of formal gateways to the town: North Bar and South Bar (later called Keldgate Bar). [1] In 1322, however the town of Beverley petitioned parliament, requesting that they be allowed to build a protective town wall ...
It was originally used as the city's guildhall, until the 1770s. [13] It was at this point that the city began to grow to the north of the gate. [ 14 ] Also during the 18th century, five panels containing painted shields and the sundial were added to the building and in the middle of the century the old wooden lions were replaced with new lead ...
In Bill Gates' new autobiography, "Source Code: My Beginnings" (published February 4 by Knopf), the computer pioneer and philanthropist writes of his formative years, and the experiences that led ...
Windows 1.0, the first independent version of Microsoft Windows, released on November 20, 1985, achieved little popularity. The project was briefly codenamed "Interface Manager" before the windowing system was implemented—contrary to popular belief that it was the original name for Windows and Rowland Hanson, the head of marketing at Microsoft, convinced the company that the name Windows ...
Barbarians Led by Bill Gates: Microsoft from the Inside is a book that was jointly written by Jennifer Edstrom and Marlin Eller, an American programmer who was a manager and a software developer at Microsoft Corporation from 1982 to 1995, and development lead for the Graphics Device Interface (GDI) of Windows 1.0 and also for Pen Windows.
Gary Arlen Kildall (/ ˈ k ɪ l d ˌ ɔː l /; May 19, 1942 – July 11, 1994) was an American computer scientist and microcomputer entrepreneur. During the 1970s, Kildall created the CP/M operating system among other operating systems and programming tools, [5] and subsequently founded Digital Research, Inc. to market and sell his software products.
Yett hanging in the main entrance of Blackness Castle, Scotland, showing attached bolts and pierced construction.Wrought in 1693. [1]A yett (from the Old English and Scots language word for "gate") [2] is a gate or grille of latticed wrought iron bars used for defensive purposes in castles and tower houses. [3]