The San Francisco directory for the year .. . oBe weiffhs about 60 per cent, of Iron Wire Rope, or 35 per cent, of Manila, ofequal strlngth iVifadSblyadlpted for Fall Ropes for Derricks, with suitable Sheeves, and for hoistingnurnoses here there is much rough work. Its extreme lightness effects a saving in to remol^epoiuTs, Manila or Hemp, of equal strength, weighing three times its weight. See comparative weight,strength and sizes of — Steel Wire Rope. CircximfereDoe,; Wt. of 100 Pt. 2 3-8 o5 SB Iron Wire Rope. CircumfeTenoe, 3 1-33 Wt, of 100 Ft. S8139 Hemp Rope. Circumference,

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The San Francisco directory for the year .. . oBe weiffhs about 60 per cent, of Iron Wire Rope, or 35 per cent, of Manila, ofequal strlngth iVifadSblyadlpted for Fall Ropes for Derricks, with suitable Sheeves, and for hoistingnurnoses here there is much rough work. Its extreme lightness effects a saving in to remol^epoiuTs, Manila or Hemp, of equal strength, weighing three times its weight. See comparative weight,strength and sizes of — Steel Wire Rope. CircximfereDoe,; Wt. of 100 Pt. 2 3-8 o5 SB Iron Wire Rope. CircumfeTenoe, 3 1-33 Wt, of 100 Ft. S8139 Hemp Rope. Circumference, 7 1-A Wt. of 100 Ft, 130185 Working load of Each. 3,700 ll>,000 ? A full scale of wciihi^^^^d^I^^^^, with prices, can be obtained from any of our Agents, or by sending tothe manufacturers, who will forward the same by return mail. WIRE SUSPENSION BRIDGES. We are prepared to contract for the erection of Suspension Bridges ^.d Aqueducts guaranteeing^^^^turnished low. Wire of all kinds constantly on hand. , 14 SAN FRANCISCO DIKECTORY.

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectindustr, bookyear1868