British standard candle
Смотреть что такое "British standard candle" в других словарях:
Candle foot — (Photom.) The illumination produced by a British standard candle at a distance of one foot; used as a unit of illumination. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
decimal candle — Bougie d ecimale Bou*gie d[ e] ci male [F., lit., decimal candle.] A photometric standard used in France, having the value of one twentieth of the Violle platinum standard, or slightly less than a British standard candle. Called also {decimal… … The Collaborative International Dictionary of English
Bougie d'ecimale — Bou*gie d[ e] ci male [F., lit., decimal candle.] A photometric standard used in France, having the value of one twentieth of the Violle platinum standard, or slightly less than a British standard candle. Called also {decimal candle}. [Webster… … The Collaborative International Dictionary of English
Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… … Wikipedia
Benjamin Thompson — For other people named Benjamin Thompson, see Benjamin Thompson (disambiguation). Benjamin Thompson Born March 26, 1753 … Wikipedia
Beekeeping — [cite web| last =Traynor | first =Kirsten | title =Ancient Cave Painting Man of Bicorp | publisher =MD Bee | url =http://www.mdbee.com/articles/cavepainting.html format =Web article | accessdate =2008 03 12 ] ] Beekeeping (or apiculture, from… … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Edwin Hubble — Infobox Scientist name = Edwin Hubble| birth date = birth date|1889|11|20|mf=y birth place = Marshfield, Missouri, U.S. residence = U.S. nationality = American death date = death date and age|1953|9|28|1889|11|20|mf=y death place = San Marino,… … Wikipedia
Rumford , Benjamin Thompson, Count — (1753–1814) American–British physicist Benjamin Thompson was the son of a farmer from Woburn, Massachusetts. He started his career apprenticed to a merchant but was injured in a fireworks accident and moved to Boston. In 1772 he married a rich… … Scientists
History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… … Wikipedia
