he whole arch. There views, appeals to us as is no lateral bracing, being decidedly the however, between the most efficient, and con- upper chords of the taining the best com- arch, the whole duty bination and _ propor- of resisting the wind tion of the different strains being thrown types of guns.… … residences for the work- terline belt 8 feet in 4—_THE MUNGSTEN BRIDGE. men, were constructed. depth, which extends To begin with, a tem- from stem to stern. It porary inclined railway is 9 inches thick at its upper edge and carries this thickness for a depth was built parallel to the line of the…
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