work«d daily until the closing of navi- kept pace,°until the difficulty of getting ships into the har- actly equal to that which passed when the pressure was less gation in November, 1873, without the slightest breakage, and the opening greater. When the pressure again dimin- bor became most… … of adjustment to the meter small. The principal expense are shown in Fig. 2. The .of hands is caused by the effect upon the flame will number of men required to CHAIN TOWAGE ON THE RIVER ST. LAWRENCE. also be noticed. The con- haul aboard, in a strong cur- struction is substantial and durable, the…
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