Sunshine recorder, Biology

Sunshine recorder

Sunshine recorder (Figure shown below) measures the duration of sunshine. The recorder consists essentially of a glass sphere of about 10 cm in diameter mounted concentrically in a-spherical metallic bowl (B) which itself is mounted on a marble base. The inner surface of the bowl is flanged to take 3 sets of special cards for use at different periods of the year. A semi-circular brass bar supports the bowl and sphere and has degrees of latitudes engraved on it. It can be moved and set to any latitude in its range. The rays of the sun when focused sharply on the card bum a trace on the card gradually. The length of the burn indicates the duration of sunshine. which is read off the hour marks printed on the cards.

1618_Sunshine recorder.jpg

Posted Date: 12/10/2012 6:06:24 AM | Location : United States







Related Discussions:- Sunshine recorder, Assignment Help, Ask Question on Sunshine recorder, Get Answer, Expert's Help, Sunshine recorder Discussions

Write discussion on Sunshine recorder
Your posts are moderated
Related Questions
Gibberellins - Plant Growth Substances In late 1920's Kurosawa observed that the medium in which the fungus Gibberella had grown could cause the abnormal tallness in rice seed

Define the effect of Vitamins (A, D, K and B-Complex) on athletes? Vitamins A, D and K have been found to have no ergogenic effects. Ingesting large doses of these vitamins hav

Explain the Anaesthesia and Analgesia Most implant surgery can be carried out under local anaesthesia, although some patients will require sedation or general anaesthesia. The

Drosophila has 4 bivalents (homologous chromosomes) formed at Meiosis I. How many chromosomes and chromatin strands are present in each of the following stages- Anaphase of mito

MOLECULAR MECHANISM OF HORMONE ACTION - Once a hormone enters the bloodstream it can reach almost any cell in the body. However, each hormone affects only certain kinds of c

The name Joseph Merrick, subject of "The Elephant Man", is generally associated with one disorder, though it now seems likely he actually suffered from a different disorder. Name e

The heart is the muscular pump that pushes blood through the circulatory system. Each heartbeat can be felt as an arterial pulse. The heart valves when closed prevent the blood fro

Anima l Nutrition Nutrition is the procurement of substances necessary for growth, maintenance and activities of a living body. The substances used for nutrition are called

Define requirements of Calcium during pregnancy period? The foetus retains about 25-30 g of calcium, over the course of gestation, most of which is deposited in the last trimes

Q. What are the major human diseases caused by roundworms? The major human diseases caused by nematodes are ancylostomiasis, ascariasis (hookworm infection) and filariasis (com