A broad paved terrace three steps above the drive extends across the front from one bay to the other and gives approach to a round-arched central doorway with handsome leaded fanlight beneath a segmental hood supported by round engaged Ionic columns. This doorway leads into the hall.

The free or closed end of the tube is connected by a link c with a lever d, at the opposite end of which is segmental gear, in gear with a pinion, on which is a hand, which marks the pressure on a dial. The dial and hand are not shown on the cut, but are on the exterior case removed to show the construction.

There is much to be said in favor of a system which puts each rib under compression in the manner of a stone arch, and which builds up a rib from a number of small pieces. At least, it is a system based on the legitimate use of cast iron for constructive purposes. The large segmental castings used in the Pimlico bridge, and the new bridge over the Trent at Nottingham, from Mr.

This large two and a half story house stands directly on the sidewalk and has areaways at the sunken basement windows like many modern houses. A sturdy chimney at either end and two dormers with segmental topped windows are the features of the roof.

Resting upon the periphery of these two segmental wheels there are two brushes to which are connected the wires which carry the battery current to the type-magnet and press-magnet, respectively, as the brushes make circuit by coming in contact with the metallic segments.

Two or three on a side were the rule, although a few small houses have only one. For the most part they were pedimental or gable-roofed. Segmental topped dormers were rare, although a row of them is to be seen in Camac Street, "the street of little clubs", and occasional individual instances are to be found elsewhere.

The buttresses are picturesque, polygonal below, a cluster of rounded shafts above, and are carried up in front of the upper cloister to end in a large cross. All the openings have segmental pointed heads with rather poor mouldings. Each is subdivided into two lights with segmental round heads, supporting a vesica-like opening.

Surmounting the altar-tomb is a deeply moulded ogee arch subdivided into two hanging arches which spring from a pendant in the middle, while the space between these sub-arches and the ogee above is filled with a canopied carving of the Crucifixion. At about the level of the pendant the open space is crossed by a cusped segmental arch supporting elaborate flowing tracery.

The letter X shows how Screws are frequently made when tapped in the old mode; the letter T as they are always made when the Tapping Square is employed. A Mode of turning Segmental Work in the Ordinary Lathe In executing an order for twenty locomotive engines for the Great Western Railway Company, there was necessarily a repetition of detail parts.

Inside the vault is Gothic and segmental, but the west window is even more strange than the southern; its inner arch is segmental and there are window seats in the thickness of the wall.