"If light from a highly luminous body is admitted to a darkened room through a small hole in the shutter…
"The capstan, in universal use, on board of ships, is an axle placed upright, with a head, or drum,…
"a is the sphere, placed in half-holes on the axis bb, so that when its principal axis is parallel to…
"a is the sphere, placed in half-holes on the axis bb, so that when its principal axis is parallel to…
"Argent, a mullet pierced, sable, on a chief azure, three mullets pierced, of the first. PIERCED OR…