நா. பார்த்தசாரதி
87
67. மு. முத்தையா, மனையடி சாஸ்திரம், ப. 61.
68. மு. முத்தையா, மனையடி சாஸ்திரம், ப. 9.
69. தொல். பொருள். களவியல் 111-121.
70. திருக்குறள் 6-51.
71. சூடாமணி நிகண்டு 110-51.
72. மு. முத்தையா, மனையடி சாஸ்திரம், ப. 1-6.
73. Soil is to be tested before construction. Many methods are narrated in this regard. One is to dig, a pit and fill it with the earth removed from the pit. Another one is to fill the pit with water in the evening and observing the quantum of water in the next morning. This method shows the strength of the soil to withstand the weight of the Building to be Constructed.
Good and bad effects of a plot is also decided by another method which is precisely narrated in this work. Hence a circular pit is dig around a partion of the earth, and water and flower is put in the circular pit. The movement and direction of the water along with the lower which indicate the results whether good or bad.
