[Gould, Lucius D.], b. 1814. [from old catalog] · New York, W.T. Comstock · leaf 53
be an arc cutting the curve in D ;from the points D and N as centres, with R J and S J asradii, describe arcs cutting each other in P ; set off eachway from B equal half the width of rail ; from the pointsdescribe the outside and inside curves. To find the angles to bevel the plank for the wreath :… … STAIR BUILDING. 49 PLATE XXIII Exhibits a quarter platform stairs^ placed one step belowsecond floor. To draw the elevation of handrail : Set up from A to Sequal one riser, from L to B equal three risers, and from Bto C equal half the riser, plus the rise of the common pitchfrom the riser to the…
Stair building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
