The northern part of Tuscany is indeed occupied to a considerable extent by the underfalls and offshoots of the Apennines, which, besides the slopes and spurs of the main range that constitutes its northern frontier towards the plain of the Po, throw off several outlying ranges or groups.
During his reign Poland suffered much humiliation from the attempts of her subject principalities, Prussia and Moldavia, to throw off her yoke.
Many of the gumtrees throw off their bark, so that it hangs in long dry strips from the trunk and branches, a feature familiar in " bush " pictures.
These static and kinetic conditions succeed each other rapidly, and the result is to detach or throw off from the antenna semi-loops of electric force, which move outwards in all directions and are accompanied by expanding circular lines of magnetic force.
This phenomenon is connected with the fact that incandescent bodies, especially in rarefied gases, throw off or emit electrons or gaseous negative ions.
