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The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade , usually positioned 1000 ft (300 m) away and wherever possible set at the same level.
Mini ceiling fans are mostly found in less developed places, such as the Philippines and Indonesia, and today are constructed similarly to most oscillating pedestal and table fans, predominantly out of plastic. These fans, hence the name "mini" ceiling fan are relatively small in size, usually ranging from 40.64 cm to 91.44 cm, however, some ...
Five-blade or six-blade designs are rare. The materials from which the components are made, such as brass, are important factors in fan desirability. A ceiling fan is a fan suspended from the ceiling of a room. Most ceiling fans rotate at relatively low speeds and do not have blade guards because they are inaccessible and unwieldy.
The ceiling balloon is a reliable, safe and simple way to get an indication of the height of clouds. However, it does suffer from some disadvantages that the observer must be aware of. Rain and wet snow may slow the ascent of the balloon, giving a falsely high ceiling and high winds and poor visibility may cause the balloon to appear to enter ...
Kit Fan FRSL (范進傑; born 1979) is an author and poet from Hong Kong who now lives in York in the United Kingdom. [1] [2] In 2011, his poetry book Paper Scissors Stone won the Hong Kong University International Poetry Prize. He was elected Fellow of the Royal Society of Literature in 2022.
An export-orientated version called Cloud Shadow [2] was unveiled at the Zhuhai Air Show in 2016. [6] The primary difference between Wind Shadow and Cloud Shadow is the engine. Wind Shadow features a twin-engine, stealth nozzle, and is turbofan powered. However, Cloud Shadow features a single turbojet engine without any stealth concealment for ...
"The Fan Book" is the one and only book written solely about ceiling fans; and there are no other books in the Library of Congress database which even have a section on ceiling fan history, evolution, or anything like that. Unfortunately, it's kind of a specialized subject area.
A misting fan is similar to a humidifier. A fan blows a fine mist of water into the air. If the air is not too humid, the water evaporates, absorbing heat from the air, allowing the misting fan to also work as an air cooler. A misting fan may be used outdoors, especially in a dry climate. It may also be used indoors.