Ceiling fan be used to reduce the stratification of warm air in a room by forcing it down to affect both occupants' sensations and thermostat readings, thereby improving climate control energy efficiency. Punkah-type ceiling fans date back to 500 BC, and are native to India. Unlike modern rotary fans, these punkah fans move air by moving to and fro, and were operated manually by cord. The first rotary ceiling fans appeared in the early 1860s and 1870s in the United States. At that time, they were not powered by any form of electric motor. Instead, a stream of running water was used,
A Tale of a Tub made the aristocrat a better ruler than the equally virtuous but unprivileged commoner. "A Tale of a Tub" is a perfect example of Swift's devastating intellect at work. By its end, little seems worth believing in. Formally, the satire in the "Tale" is historically novel for several reasons. First, Swift more or less invented prose parody. In the "Apology for the &c." (added in 1710), Swift explains that his work is, in several places, a "parody," which is where he imitates the style of persons he wishes to expose. What is interesting is that the word "parody" had not been