This section is from the book "Cassell's Cyclopaedia Of Mechanics", by Paul N. Hasluck. Also available from Amazon: Cassell's Cyclopaedia Of Mechanics.
The accompanying design represents a gateway, over which is the opening for the clock. Two types of arches are shown - one camber or flat, the other semicircular. There is very little enrichment, and what there is might be dispensed with and plain brickwork substituted. The string-coursing, capitals, and bases of the pillars could be made of 3-in. moulded bricks. The chamfered plinth might also be constructed of bricks, though plain terra-cotta pieces of the full depth would be preferable. The brickwork could be carried out as far as the outside pillars, and still leave sufficient space for the small flower vases as shown in the design. If the space between the pillars be left empty, a second pillar will be required at the back to support the entablature. Small statuettes, vases, or any bric-a-brac, might be appropriately placed over the pillars as illustrated, or a mirror could be let into the vacant space for the gateway. An approximate idea of the sizes may be gathered from the courses of brickwork.

 
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