. Asiatic researches, or, Transactions of the Society instituted in Bengal for inquiring into the history and antiquities, the arts, sciences and literature of Asia. 9^ OfeSERVAflONS ON THE wall and counterfort given by Mr. In his ^<\ prob: from whence arifes 4/^ + ''4-4^+ iwXzn â¢^T:0-\--^-^'wXa^z:i\^ba"-s^y which tranfpofed and divided bâ%hn^ â : oy4^ + 2' ^ general equa- 4/4--"^'' tion fdr brick walls. No\V in order to obtain the value of w, let Q_re- prefent the niafs of the wall and counterfort together, fufpended 'to a line paffing ^ r^ r- through their common
. Asiatic researches, or, Transactions of the Society instituted in Bengal for inquiring into the history and antiquities, the arts, sciences and literature of Asia. 9^ OfeSERVAflONS ON THE wall and counterfort given by Mr. In his ^<\ prob: from whence arifes 4/^ + ''4-4^+ iwXzn â¢^T:0-\--^-^'wXa^z:i\^ba"-s^y which tranfpofed and divided bâ%hn^ â : oy4^ + 2' ^ general equa- 4/4--"^'' tion fdr brick walls. No\V in order to obtain the value of w, let Q_re- prefent the niafs of the wall and counterfort together, fufpended 'to a line paffing ^ r^ r- through their common center of gravity, and which will cut the line AE, we will fuppofe, in the point H. Then, from the'principles of mechanics, if c arid d be the points in the line i\ E, where lines paffing throiifdi thx centers 'ot -i^'rtivitv m m^- -two miiHes A B (; D; and B C F E, vviilF^"' ^_^ interfca that line, we have Q^ -*- A b + 1 B K (-cd) : : B E -i-£B C (CIS ihe mafs B C F M] :. I A h-\- , iii X ^i'C_l4-* X -^r.^ â >. 'X3+i\âf'5^ :cU. lie nee All â-j-Vt-{--'-=-,>'.-. 'i hen again, by the laws ot mecha- nics; as 4-?-(= A B 4-^1 BE + BS): ,V^ (zr. AH):: ^^ (=^ Q): 4^-|| â\\'⢠âand confequently, .;yâ7^*|=,2:4near- ly. Nov/ b- -^--- =,V5=,379, near- ly, and if ;/=', and the angle CBF =45'^, fo that S'=,c;;âand their different values fubftituted in tlie general expreflions above, we Ihall get xzz,0815X^? nearly, for ftone walls, and >:â ii;^Xa nearly, tor brick Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Asiatic Society (Calcutta, India). London : [s. n. ]
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