magnetic chart

magnetic chart

[mag′ned·ik ′chärt]
(navigation)
A chart showing the distribution of one of the magnetic elements, as by isogonic lines, or of its secular change.

magnetic chart

A chart showing the distribution of one of the magnetic elements, such as by isogonic lines. Also called an isogonic chart. See isogonic lines.
References in periodicals archive ?
They created a healthy lifestyle game targeted at families with rules, recipes, and pedometers, as well as a magnetic chart to mark progress.
For stockists visit www.fiestacrafts.co.uk GOOD "We preferred the bigger version of the magnetic chart simply because it is easier for a child to use, particularly as Grace is learning to read, so she found the bigger text easier.
Doowell Reward Chart, age 3-10 (pounds 7.99, www.letterbox.co.uk, 0870 6007878) This magnetic chart helps you monitor kids' eating habits and reward them when they eat fruit and veg.
Doowell Reward Chart, age 3-10 (www.letterbox.co.uk, 0870 6007878) This magnetic chart helps you monitor kids' eating habits and reward them when they eat fruit and veg.
In the school I travel to, the homeroom teachers received magnetic charts that were erasable and easy to read.
For the rest of his life he was probably best known for his magnetic charts. The first, published in 1701, was entitled A New and Correct CHART Shewing the VARIATIONS of the Compass in the WESTERN AND SOUTHERN OCEANS as observed in ye YEAR 1700 by his Maties Command.
"But detailed magnetic charts show no usable information, because there are variations in local magnetic fields," Moore says.