Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 257
s can, as a rule, be either cleared awayor filled in. The angle the shore shouldmake with the horizon is generally decidedby the width of the pavement; but assumingthat there is no distance given, then, toobtain the maximum thrust, the shore wouldhave to be inclined at an angle of 45° withthe… … (this is quite near enough for all practicalpurposes), and from e draw a vertical lineintersecting d produced at f, arid the re-sultant H of the forces d and c will lie be-tween B and F and in the direction of thefoot of the shore ; so a line drawn from gto the centre of b f will be the mean of…
Carpentry · Joinery
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