The Architrave lying round about upon them, being mortaised into them, and joynted in the middle of each of the perpendicular stones. This Architrave is three foot and an half broad, and two foot and an half high.
O
The Architrave lying on the top of the great stones of the Hexagon, and mortaised also into them, sixteen foot long, three foot nine inches broad, and three foot four inches high. This Architrave continuing onely from stone to stone, left betwixt every two and two, a void space free to the Air uncovered. For, if they had been continued throughout the whole Hexagon, then necessarily there must have been two tenons upon each of the said stones, as those of the outward circle had, but being disposed as aforesaid, that one, which was in the middle, and yet remains apparent, was sufficient for the thing intended.
Nu. 4
The Profyle, or cut, through the middle of the work, as entire, countersigned with the Letters of the Groundplot.
The Designs follow.
Nu. 5
The whole work in Prospective, as when entire, whereby the generall composure of the particular parts of the uprights, are together all seen: and, by which also, the stately Aspect, and magnificent greatnesse thereof, are fully, and more apparently conspicuous.