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The Active Eye in Architecture Sir George Trevelyan First published in 1977 by The Wrekin Trust This book is out-of-print, available only on this website |
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Entasis is no mere bulge. Set two pliable sticks vertically in earth and draw the tops a little inward towards each other. Then you have the organic swelling called entasis. Anyone can see the entasis by simply looking, but it is essential to experience it in a quite different way by the active feeling of the column in strong sweeping eye movements. Then you experience the dynamics of the column as it under-pins the heavy lintel and furthermore you experience this in the dynamics of your own body, in swell of lifter muscles and power of back and thigh. This is particularly so with Greek Doric whose lines strike straight down to earth's centre without the break of a base. Veritably one discovers this as the athlete's column. Compare it with the column that has no entasis. Does this not look weak about the chest? Do we not feel its inadequacy reflected in our own bodies?
It is especially important to learn the art of approaching a giant column or pilaster, so that we may experience it as an entity.. This may not be lightly or casually undertaken any more than we should approach royalty without the deferential bow. We advance delicately, having made the imaginative reversal in our looking so that the creature appears to advance on us and place its base at our feet. We may touch it with hands and even forehead to feel the cold stone or marble and let the eye, now close to it, rise the immeasurable length of elongated surface. We may let the eye run over the pavement till it meets the base, moving up its moulding until it can take these two rounded members which come to feel like great rubber washers bearing and cushioning the immense weight above them (Fig. 3). Then moving on to the bottom of the drum, the inward curve takes the eye and throws it upward, not to stop its movement till it finds the corresponding curve at the top. Yet here we may choose deliberately to check and inhibit the movement after a few feet and then an extraordinary experience rises within us. If we can take a spoonful of raspberries and cream, bring it to the lips and hold it there, refuse to open the mouth and return the spoon to the plate, the whole sense of taste shouts to be allowed to fulfil the stimulus and the salivary glands pour in anticipation. Even the thought alone is enough acutely to evoke the recollection of taste! So we may start this surge of movement up the column and check it at eye level. Then thought leaps on up the full withheld length. We experience the whole nature of the column with more power and sensitivity through having withheld from the eye the actual looking. It is a simple trick which may be developed for the heightening of conscious awareness.
Now we will take a beautiful and simple assemblage of classical forms, from Nevile's Court in Trinity College, Cambridge (Fig. 4A). This will provide a useful exercise. Look at the illustration and see what the eye does. It is first arrested by the strong columns. Having run up and down one of them, we quickly grasp the series the double beats at either end and the two singletons between. Then the lovely dishing takes the eye. We can fill those hollows with the 'liquid of our looking', a truly sensuous experience. Looking from one to the other we find no metamorphosis but a simple increase in size. Then looking between the coupled columns we recognize that the panels represent an embryo form of the dished arch. Look firmly at the series 1, 2, 3, until this progression of form is quite clear. The two sides can be made to converge on the central cove or we can learn to expand our looking in a single movement from the centre to the two extremities. Now in imagination allow the force which has hollowed the dishes to penetrate right through and we recognize the triumphal arch which is waiting in potentiality in this grouping. That central arch is clearly a thing of power. From its small beginnings in the panels it has expanded itself so strongly that it has encroached upon the lintel above it and wholly eaten away architrave and frieze leaving only the cornice. Clearly the circular form has dominant power over the horizontal member. It has done more. It has forced up a pediment. Clear your mind of preconception and look afresh at this well-known form. What has happened to bring the triangular form into being? The top half of the mouldings of the cornice has been prized up, as if with an enormous penknife. It is as if the force of light and space below is so important that the triangle has risen to acknowledge it. Run the eye along the whole cornice and make it divide to take the complete shape of the pediment. Let the pediment fall back into the cornice, realizing that the mouldings will exactly fit into their original position. Recognize from this that a potential pediment exists at any point in any cornice if the dynamic power below calls for its birth. Note further that a totally new and highly significant piece of space has been created in the triangle. In the temple form, indeed, it is that point where the eye of the god can look forth. No wonder that Apollo is carved here. A holy space has been created and must be filled with sculpture worthy of the gods or heroes. (Here in parenthesis let us compare the classical pediment with the Gothic or Romanesque tympanum. That point in the arch above the doorway in the narthex or porch of a church is also a 'holy' space. All weight is lifted off it by the arch, so that it has no structural function. Therefore it is entirely fitting that the Risen Christ be portrayed within it. As one enters the church it is as if the tympanum represents our lifted thinking.)
Once seen dynamically the rising of the round arch becomes an experience of intense excitement. To get the experience allow the arch to drop back in your imagination into the horizontal lintel. Then bring power upon it from below so that it is again lifted. Enter into this lifting process. Always the static architecture settles back into the cube or rectangle or horizontal line. A dynamic process lifts into arch or vault. Since we are concerned with experiencing the birth and growth of forms, we can identify our looking with the movement of the arch. The experience is indeed as if we had ourselves lifted the arch by our intention. We have bent the lintel into a springing curve like a bow and can test this by allowing its tautness to fall back into the horizontal. Once this imaginative turn-about has been achieved the arches become our deed. The round arch especially has a glorious leaping quality (Fig. 6A). Clearly in the rival tension of forms nothing is so powerful as the rising round arch, except the circle itself which can dominate all other forms and force them into deference.
Now we discover that there are two different ways in which an arch comes to birth. We can enact them in our imagination. Would that there were some miraculous plastic substance malleable to thought so that we could watch the process happening. First there is the arch in which there seems to be such power in the space below that it lifts and bends the entire lintel. Fig. 6B is an example of the lintel or architrave being consumed away by the arch which has then forced up the frieze and cornice. Kindred to this are the forms shown in Fig. 4B. Here the lintel has been simply eaten away and dissolved by the power of light which rises like the sun into the wall space above, needing no moulding.
Secondly and on a quite different principle in Fig. 6C, the Gothic arch. Here the ribs are obviously pillar transformed. The drive in the pillar has passed up through the capital; the pillar, freed now from the functional limitation of gravity, can bend and swing. The arch is made by bending the two upper 'pillars' inwards until they meet and lock thus creating the pointed space between. The keystone or boss is then seen to be a metamorphosis of the capital. The dynamic vision can detect which of these two impulses is responsible for the coming into being of a particular arch. We can in imagination enjoy the process of building arches either by throwing the flexible pillar/rib across the capitals, or by creating such pressure of space that we drive our arch up through all obstacles, to stand by its own radiating force.
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The Active Eye in Architecture Sir George Trevelyan First published in 1977 by The Wrekin Trust This book is out-of-print, available only on this website |
Next page Previous page Start of the book Download a zipfile HOME Articles Books Brief biographies Close encounters Photos |