supply a standard of measurement for
101Natural ventilation — The ventilation system of a regular earthship. Natural ventilation is the process of supplying and removing air through an indoor space without using mechanical systems. It refers to the flow of external air to an indoor space as a result of wind …
102Marsh funnel — The Marsh funnel viscometer is a simple device for measuring viscosity from the time it takes a known volume of liquid to flow from the base of a cone through a short tube. It is particularly used by mud engineers to check the quality of drilling …
103Social class in the United States — A monument to the working and supporting classes along Market Street in the heart of San Francisco s Financial District Income in the United States Affluence in the …
104Met Office — UKMET redirects here. For the model, see Unified Model. Met Office Current logo, as of 2009 Agency overview Formed 1854 Jurisdiction …
105Voltage doubler — A voltage doubler is an electronic circuit which charges capacitors from the input voltage and switches these charges in such a way that, in the ideal case, exactly twice the voltage is produced at the output as at its input. The simplest of… …
106Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
107architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
108SR-71 Blackbird — infobox Aircraft name = SR 71 Blackbird caption =An SR 71B Trainer over the Sierra Nevada Mountains of California in 1994. Note second cockpit is raised for the instructor. type = Strategic Reconnaissance manufacturer = Lockheed Skunk Works… …
109Kingston upon Hull — City of Kingston upon Hull   City and Unitary Authority area   The Queen s Gardens, Maritime Museum, and City Hall (rear) in Kingston upon Hull …
110Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
