I thought it pertinent to post this as it is from an intriguiging book "The Case for UFO" by MK Jessup. This is from the annotated version. Note the annotations (underlined). More on that later.

In many areas we find evidence of stone blocks of unbelievable weight being quarried, more or less casually moved considerable distances, then lifted into place. This common factor connects pre-Inca Peru with Easter Island in a startling and undeniable way, and seems to tie in the Middle East, the Orient, Africa, and maybe Polynesia. Many investigators and thinkers have proposed methods for moving these quarried and dressed blocks. All of the proposals are based on application of such simple

Block & tackle unknown to those peopole (sic) Mech. Lifting, thusly Not feasable,
(DON'T KNOW)

present day engineering equipment as block-and tackle or sand ramps. The great pyramids, consisting of hundreds of thousands of huge stone blocks, are thought by some to have been erected by thousands of slaves toiling up long ramps of sand to bring these gigantic masses from the Nile. Flotation has been considered. No suggestions have been made which really fit all cases, and some of the submissions
are so cumbersome and inadequate as to seem ridiculous.

Let's take a look at some of these great monoliths, and note their size, their geographical distributions, and, where possible, something of their age and any other details which stand out.

One such example is that of Sacsahuaman Fortress, in the High Andes of Peru, above the ancient Inca, and pre-Inca city of Cuzco. There are several eras of civilization represented in the poorly understood archaeological remains at, and near, Cuzco. The latest, aside from the present Spanish-Indian population, are the Inca ruins, most of which were in use at the time of the iniquitous Spanish conquest. The Incas were also using some structures which were inherited from their predecessors, and this has led to some confusion, because practically all other ruins in the neighborhood have been vaguely and uncertainly classified as "pre-Incan."

This is a rather too comprehensive term, and the pre-Inca remains should be divided into those ruins which were immediately pre-Inca, and those which had their creation remote in time; some of which were skillfully constructed before the mountains were raised to their present high level – certainly before glaciation.

The massive work of Sacsahuaman seems to be intermediate between the extremely old and the more immediately pre-Inca, and may very well be the initial works of those people who were last in the area before the Incas, and whose works the Incas inherited and used.

Rope of that day was so crude as to even
be negligible, Lacked strength.
L-M's Build this before deciding to go Undersea.
They were too Puny to Withstand an attack
such as the one received in the Great Bombardment
prior to building it.
Inca & Mayan peoples (sic) Did NOT know the use of the
Wheel in any shape, form or size, at all. SO THEY
COULD NOT HAVE MOVED SUCH HUGE MASSES.
Not so, Jemi, one by one they were Lifted &
only one face was "matched" at a time, using
FORCE-GRIPS OR THE STRONG "FREEZE" SIMPLY
MAKING SHIP TO MOVE BACK & FORTH each thusly
NOW appears to have been ground between each,
which, as you know & see could Not work
for the force-freeze Doesn't Grip two Huge ones
AND RUB them, If two were "Gripped" BOTH
Would be forced to Move with the ship, back
& forth, simultaneously, thus roughness would
BE between the two Held. HOWEVER, if these
HUGE STONE BLOCKS WERE FORCE CUT BY FORCECUTTERS,
THEN, END TO END, SIDE FOR SIDE
THEY WOULD "MATCH" PERFECTLY WHEN CUT
FROM SAME QUARRY. BOTH WAYS WERE USED. A SHORTCUT
LATER USED WAS ROCK-WELDING.
ROCK-WELDING, IE. MOLECULAR-ELECTRONIC-FIELD
BLENDING Was used as the signs of the Great
War approached as an Emergency speed-up Measure.

(to be continued)

[edit on 21-5-2009 by A Conscience]

(continued)

A copy of the original paperback was recieved by Admiral N. Furth, Chief of the Office of Naval Research, Washington D.C., with strange annotations (those underlined). The annotations apparently seems to be the work of 3 individuals (one named Jemi). Make out what you will. Could be an elaborate hoax, but it raises some interesting insights.

"The notes had a tone of absolute weirdness. Sometimes they agreed with Jessup’s original text; sometimes they contradicted it, as they referred to two types of people living in space. They specified two habitats for the space people: underseas, and what they termed the “stasis neutral”, the latter term apparently in agreement with Jessup’s exposition on points of neutral gravity in space.

They mentioned the building of undersea cities and identified two groups of spacemen, “L-M’s” and “S-M’s”. The “L-M’s” were designated as peaceful, the “S-M’s” as sinister.

Some of the terms used would have been familiar to any ufologist of the 1950’s, yet others expressed an alien-like vocabulary which had never been previously used in “saucer” literature.

Some of the terms were: Mothership, home-ship, dead-ship, great ark, great bombardment, great return, great war, little-men, force-fields, deep freezes, measure markers, scout ships, magnetic and gravity fields, sheet of diamond, cosmic rays, force cutters, inlay work, clear-talk, telepathing, burning “coat”, nodes, vortice, magnetic “net”."

The Fortress (so-called by archaeologists, who admit no types of building other than religious, military, and occasionally residential) of Sacsahuaman is on a mountain top overlooking modern Cuzco. It is noteworthy as one of the earliest works showing the construction of walls by grinding and fitting stones, in situ. These walls are also noted for the very large stones which make up the lower of three tiers, and it is these in which we are more interested. (See Fate, Vol. II, No. 1, and American Anthropologist, 1936.)

The stones making up the corners of the reentrant angles, of this lower tier, appear to be a dark basalt; heavy, hard, and rugged. They are so large that they dwarf a man on horseback standing beside them. Some of them are about twelve feet square at the base, and eighteen to twenty feet high. They are estimated to weigh about two hundred tons each. Other stones in the same walls range from small ones of only a few hundred pounds, through continuous gradations up to the largest. All of them were crudely rough quarried, and were then ground into their designated niches in the structure by
pushing them back and forth, in situ, until they fitted so closely, completely and accurately that a knife blade cannot be inserted between them. This is a logical and practical shortcut to effective stone fitting which we have not equaled in modern engineering.

(It is interesting to note in passing, however, that we use this method in what is probably our operation of highest accuracy and precision: lens and mirror grinding for astronomical telescopes. No substitute has been found for this system of grinding pieces of glass together to obtain perfect curvature, and there is no basic difference in the two operations.)

However, there are some startling inferences in the size and mass of the stones. To place the largest of these corner stones in place, so that others could be worked to fit them, required tremendous force. It is unimaginable that sufficient hand labor and crude tackle could be massed around them so that they could be moved and handled.

I hope this put another perspective to the discussion.

well i guess im the only one who thinks its obvious they used very advanced techniques that we dont even have to build the walls. like lazer tools and anti gravity. and that all other theories sound totally insane when you look at the walls.

but i guess thats just me.

They look almost fused together, like the edge has been heated to huge degrees then placed ontop of each other.

mabe some sort of laser. ... i can only speculate how they might have heated them up.

[edit on 9-7-2009 by MR BOB]

Could it be they used ancient techniques like using the Energy of Energy Vortexes to place them on the right spot?

And that they used some yet unkown tool like laser / heat beamer to cut the straight lines?

Just my 2 cents here