410 Mr. Perigal on the Mode of Constrnctmg the Pyramids. 



wards, tilting each end of the stone alternately, and additional 

 boards having been introduced every time, the stone gradually 

 rose to the required height, rather exceeding that of the next 



^\Wx.,.^txx^,,;. ^- 



step, when rollers were placed on the boards and the stone 

 was transferred to similar planks placed in readiness on the 

 next step of the Pyramid. 



The same process was then renewed, and continued from 

 step to step till it arrived at its destined locality. 



