Surrounding the green is a space called a ditch, which is nearly but not quite on a level with the green and slopes gently away from it, the side next the turf being lined with boarding, the ditch itself bottomed with wooden spars resting on the foundation.
The wood is strong, light and very elastic, forming an excellent material for small masts and spars, for which purpose the trunks are used in America, and exported largely to England.
But Villeneuve's ill-appointed ships, manned by raw crews, suffered loss of spars in a gale, and he returned to Toulon on the 21st.
In experiments with magnifying glasses, and through spars, the ordinary effects of magnifying and of alteration of view are sometimes produced; sometimes they are not.
Tromp, conscious that his ships were weaker in build, at first drew away, firing at the spars of the English ships in order to cripple them.