Fan (machine) the airflow from the fans. Thus, fans may become ineffective at cooling the body if the surrounding air is near body temperature and contains high humidity. The punkah fan was used in India about 500 BCE. It was a handheld fan made from bamboo strips or other plant fibre, that could be rotated or fanned to move air. During British rule, the word came to be used by Anglo-Indians to mean a large swinging flat fan, fixed to the ceiling, and pulled by a servant, called the punkawallah. For purposes of air conditioning, the Han Dynasty craftsman and engineer Ding
A Grass Rope A Grass Rope A Grass Rope is a children's novel by William Mayne, first published by Oxford in 1957 with illustrations by Lynton Lamb. Mayne won the annual Carnegie Medal recognising the year's best children's book by a British subject. Set in the Yorkshire Dales, it is a simple story subtly told, steeped in the past and with a strong sense of place. The story of the hunt for a lost treasure is interwoven with descriptions of daily life on a farm and of the local scenery. When Adam Forrest comes to re-paint the outside of the Unicorn Inn in