Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 257
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 thedirections the resultant H will take. At gdraw a line at right… … Fig. 797.—Single Flying Shore. Fig. 798.—View of Head of Raker and Needle. best angle for the top raker shall be between60° and 70° (see Fig. 796). Draw the faceof wall, position of joists and wall plate onface of wall, draw a line from a making anangle of 60° with the ground line ; on eachside of…
Carpentry · Joinery
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