The Power of the Trapezoid
Note the trapezoidal window typical of Inca construction. The trapezoid and lintel appears to replace the arch which they had not discovered.
The three window temple shows the trapezoidal windows even more clearly.
The indigenous people of
This close up shows the interlocking better.
The Inca developed this technique to the highest point. Note that here the large stones have been cut
to interlock like a jigsaw puzzle. They were shaped so precisely that no mortar
is necessary. This was done with harder
rocks. They did not have iron; there are
few iron deposits in
After giving an effusive description of the beauty of the
sun temple, Hiram
Bingham, the modern discoverer of
Bingham’s words are true enough. But he doesn’t seem to realize that straight courses of rectangular stones slide and fall in an earthquake. The slightly rounded and accurately `machined’ surfaces of the Inca stones make a much stronger wall.
Here we illustrate this precision with a block with corner cut out.
The Inca learned this technique from earlier peoples. The pyramid in
The picture above shows original wall built in interlocking
on the right, the wall is built of regular rows of `indentical
bricks’. This is a reconstruction and
UNESCO requires that the reconstruction be distinguishable from the
original. According to the guide at the
pyramid site, during an earthquake at another site in
John Baldwin, Aquas Calientes, May 28, 2008.