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The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...
Every engineering drawing must have a title block. [13] [14] [15] The title block (T/B, TB) is an area of the drawing that conveys header-type information about the drawing, such as: Drawing title (hence the name "title block") Drawing number; Part number(s) Name of the design activity (corporation, government agency, etc.)
A balancing arm (the forearm) has on one side of an axis a small counterweight and on the other side a lamp cap. These parts are lifted by a second bigger balancing arm (the upper arm) that has on the other side of a second axis a heavier counterweight. The lamp designed by Edouard-Wilfrid Buquet in 1927 works in this way.
An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [ 1 ] It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three- dimensional exploded diagram.
A metal flagpole with its foundation in the earth is its own extremely simple lightning protection system. However, the flag(s) flying from the pole during a lightning strike may be completely incinerated. The majority of lightning protection systems in use today are of the traditional Franklin design. [8]
A high mast light in Toronto High-mast lighting tower in a stadium A six-lamp configuration on a mast High-mast lighting used on Ontario Highway 401 at night High-mast lighting used on Ontario Highway 401 during the day High-mast lights in conjunction with shorter lampposts at the Tainan System Interchange (Chinese: 台南系統交流道) in Sinshih District, Tainan, Taiwan A light tower on ...