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Scientific American, Vol. 40, No. 4 (1879) (1879)

leaf 4

An illustration from Scientific American, Vol. 40, No. 4 (1879), 1879, leaf 4
ave between Westminster and Charing Cross Bridges, one under ple construction. : introduced to public notice a new and improved rotary lift | this bridge, and nine from this point to Waterloo. The a 8 and force pump, for which they claim several features of im- ‘lamps in the latter series are… … Meantime the result can hardly be considered as highly ‘action, much more so than in any of the ordinary rotary | satisfactory, more especially as an irregularity or pulsation pumps. Its specialty consists in a slow upward stroke and : in the light given, is too often noticeable. Possibly this de-…

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