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The heavy galvanized iron telescopic Oppenheim poles display a style of technology no longer practiced and are a symbol of human ingenuity in solving the problem of transporting large numbers of sturdy termite resistant poles through inhospitable country. [22] There are 52 (52) poles in Reserve, located along the original telegraph line.
A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and ...
Jack posts are telescopic tubular steel props consisting of two primary parts, the main part of the post, and the jack screw or other adjustable fitting on one or both ends. Both ends are normally fitted with flat metal plates on the end, providing additional support area.
Over time, the original mix of wooden and metal poles was upgraded with new poles, following Oppenheimer's patented innovations for metal telescoping poles. The so-called Oppenheimer poles were produced in Manchester and shipped to Australia throughout the 1880s and installed along the length of the Overland Telegraph Line.
Mast or pole photography refers to low-level, ground-based elevated or aerial photography, using a telescopic mast or pole, with a remote-controlled camera attached to the mast head, which allows a photographer to capture still and motion picture imagery, from a "birds eye view". [2] [3]
It is constructed of two telescoping rods attached to a base, which extend out to about 1 m (3.3 feet) length (approximately one-quarter wavelength at 54 MHz) and can be collapsed when not in use. For best reception, the rods should be adjusted to be a little less than 1 / 4 wavelength at the frequency of the television channel being ...
Water-fed poles — Any of a variety of types of telescopic poles, fitted at the upper end with a brush and water jets, fed either from vehicle-borne tanks of deionised water or by on-site production of deionised water using a domestic or commercial water outlet.
The DC33 has a plastic telescopic pole with smaller diameter than the metal telescopic pole of the DC14, so attachments from older Dyson's such as the DC14 do not fit the DC33. This model more closely resembles the old DC14 than the DC27 did, using exactly the same style of floorhead as the DC14, DC07 and DC04.
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