A vertical section through the northwest to southeast axis at Woodhenge, with posts and lintels of sizes required to produce usable lines of sight.
Fig. 134 A general view of Woodhenge in its original state.
Fig. 135 The conjectural rule governing the proportions of an ideal post. The units are arbitrary.
Fig. 136 The orientation of ditch, bank and river in relation to the timber rings at Durrington Walls and Woodhenge.
Fig. 137 One of the long measures that might have been in round numbers of MY at Durrington Walls.
Fig. 138 Durrington Walls, Phase 2 of the southern circle, showing the southeast façade, with ‘bar’.
Fig. 139 A detail of the preceding figure, with some construction lines added.
Fig. 140 Durrington Walls. Post holes at the northern circle and the approaching corridor.
Fig. 141 Potential sight lines at Durrington Walls (southern circles).
Fig. 142 All potential sight lines from the same position as in the previous figure, whether or not they are capable of avoiding the uprights.
Fig. 143 The view through the southern Durrington Walls monument to a person approaching the left post of the southern entrance.
Fig. 144 A reconstruction of the southern Durrington Walls monument on the basis of post heights derived earlier.
Fig. 145 A general plan of the Mount Pleasant enclosure, with henge monument, palisade, ditch and bank.
Fig. 146 The ditches and post holes at the Mount Pleasant timber henge.
Fig. 147 The profile of the northwest to southeast section at the Mount Pleasant timber henge.
Fig. 148 A general view of the main timber post circles at Mount Pleasant.
Fig. 149 Mount Pleasant. The blocking effect of the posts and lintels as presented to an observer in the northeast ditch looking in the general direction of midwinter sunset.
Fig. 150 Potential sight lines at the Mount Pleasant henge.
Fig. 151 The Arminghall henge and its immediate neighbourhood.
Fig. 152 The Arminghall henge.
Fig. 153 The highly regular arrangement of the posts at Arminghall judged by lines tangential to the posts and lines through their centres.
Fig. 154 The most probable arrangement of posts and lintels at the Arminghall henge, in relation to the ditches.
Fig. 155 The different characters of the views from the two ditches, looking over the bank at Arminghall.
Fig. 156 The station stones and the Heel Stone at Stonehenge.
Fig. 157 Some of the main elements in successive phases of Stonehenge’s history.
Fig. 158 Some of the excavated dumbbell shaped cavities with the Q- and R-holes that originally held bluestones.
Fig. 159 The Heel Stone, near the present road.
Fig. 160 A typical section of the Stonehenge Avenue in its present condition.
Fig. 161 The central Stonehenge area, showing the stones in their present state.
Fig. 162 Two alternative positions for the Altar Stone.
Fig. 163 The shape of the Slaughter Stone.
Fig. 164 A stylized view of one possible arrangement of stones (and lintels at the entrance) in the Q- and R-rings.
Fig. 165 The view through the entrance to the Q-R rings as drawn in the previous figure, from approximately the distance of the Aubrey circle.
Fig. 166 One possible arrangement of the Q-R lintels over the corridor at the northeast side of the incomplete double ring, together with the first position of the Altar Stone.
Fig. 167 Various stones excavated by William Hawley, modified and assembled from his drawings.
Fig. 168 Some of the limiting lines of sight under discussion, with stones shown in elevation that are not aligned in plan.
Fig. 169 Additional detail for the last figure.
Fig. 170 The central stones as seen today from the left and right sides of the Heel Stone.
Fig. 171 A skeletal view of the idealized dish-shaped figure created by the trilithon lintels over the drum of sarsens, as seen from the Heel Stone.
Fig. 172 A schematized view of some of the potential blocking stones between the sarsens at Stonehenge and the observer at the right side of the Heel Stone.
Fig. 173 The blocking of lines of sight by the ring of thirty sarsen uprights, for various critical positions of the observer.
Fig. 174 The relatively ineffectual blocking of sight lines by a ring of thinner stones.
Fig. 175 An approximate solution to the problem of placing the observer so as to guarantee the blocking of unwanted sight lines.
Fig. 176 Lines of sight through the monument looking northeast.
Fig. 177 A typical pattern of gaps open to view through the Q-R system, here as seen by a person at the Aubrey ring.
