Foucault's heliostat reflects the rays horizontally in any required direction.
If the blowing iron is held vertically with the bulb uppermost the bulb becomes flattened and shallow, if the bulb is allowed to hang downwards it becomes elongated and reduced in diameter, and if the end of the bulb is pierced and the iron is held horizontally and sharply trundled, as a mop is trundled, the bulb opens out into a flattened disk.
Sometimes the prolongations of these wires are carried horizontally or dipped down so as to form an umbrella antenna (fig.
The posterior portion of the intestine is specially characterized by the appearance of the intestinal diverticula horizontally and symmetrically placed right and left and opposite to each other.
The beam must be provided with a small ball of metal which can be screwed up and down a stem on the top of the beam for the purpose of accurately adjusting the position of the centre of gravity, and there should be a small adjustable weight on a fine screw projecting horizontally from one end of the beam for the purpose of accurately balancing the arms.
In it the cooling is effected by water pipes, interposed horizontally between the layers of bricks.
At the middle of the forehead horizontally subdivide this upper quoin, and then you have two almost equal parts, which before were naturally divided by an internal wall of a thick tendinous substance.
The vertical position protects the structure from the intense sunlight, as with their edges towards the sky and earth they do not intercept light so fully as ordinary horizontally placed leaves.
The marble, which was exported from the 6th century B.C., and used by Praxiteles and other great Greek sculptors, was obtained by means of subterranean quarries driven horizontally or at a descending angle into the rock, and the marble thus quarried by lamplight got the name of Lychnites, Lychneus (from lychnos, a lamp), or Lygdos (Plin.
It projects horizontally forwards from the head in the form of a cylindrical or slightly tapering, pointed tusk, composed of ivory, with a central cavity reaching almost to the apex, without enamel, and with the surface marked by spiral grooves and ridges, running in a sinistral direction.