wards. structure of its class in the world, will cross the Tay river, heads on the rams are connected by pins with the links at The heaviest piers floated out weighed 145 tuns, and were in Scotland, about one and a quarter miles west of Dundee, the top of the stroke. The hydraulic force pump—of… … cal suspending bars to which side. These air bells, hav- ancing crosshead plates by to pier by a crane working a central bolt; the hydraulic rams are similarly provided there is one on each pontoon—with a few strokes raises the on a barge, were designed by the contractors spectally for with…
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