वास्तु मण्डन (मण्डन सूत्रधार - गृह, राजप्रासाद, दुर्ग एवं नगर-वास्तु सटीक)

Ch. I – Miśrakādhyāyaḥ 53 186. Temples, idols, Liṅgas, houses as well as royal palaces, tanks, wells, and other dugouts are to be measured with medium hand. 187. Mechanical contrivances, weapons, seats, drums, ponds, wells, utensils, umbrellas, beds, chariots are to be measured with small hands (Kanyasa). 188. Twenty one Aṅgulas make one Aratni as well as one Hasta. Dhanu and Daṇḍa will be four hands in measurement and the Vaṁśa will be of five hands. 189. At the beginning of the construction, the measuring hand should be counted correctly. If anybody deviates from that, it is inaus- picious, so one should be careful to count it accurately. Thus ends the characteristies of kambikā. Linear Hasta measurement can be obtained by measuring with Kara joined by another Kara. By measuring Hasta with Kara, one will get the Karāṅgula unit measurement (superficial contents of a figure in hasta and kara). 190. Multiplying the measurement of one finger (Aṅgula) by another finger and dividing the result by 24, one can get the area in Aṅgula units¹⁰ 191AB. Three times the diameter of a circle, when added to one sixth part of the same diameter, obtains the circumference of the circle (Vṛtta) with respect to diameter [If d is the diameter of a circle, the circumference as given in the verse is 3d +d/6 = d(3+ 1 / 6) = d(3+ 0.167) = 3.167d say approximately to 3.141d = πd i.e. the mathematical formula of the circumference of the circle]. 191CD. Multiplying the circumference by one fourth part of the diam- eter, one can get the Vṛtta phala (area of the circle). 10 Example:- To find the area of the plot, 5 Kara, 12 Aṅgula by 3 Kara 12 Aṅgula . Solution: 1st Step:- 5 Kara X 3 Kara= 15(sq.) Karas, 2nd Step:- 5 Karāṅgula X 12 Aṅgula = 1440 (sq.) Aṅgula 3 Kara Aṅgula X 12 Aṅgula = 864 (sq .) Aṅgula 12 Aṅgula X 12 Aṅgula = 144 (sq .) Aṅgula Total = 2448 (sq. ) Aṅgula 2448÷24=102, 102÷24 =4(sq) Kara 6(sq.) Aṅgula