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Scientific American, Vol. 61, No. 24 (1889) (1889)

leaf 9

An illustration from Scientific American, Vol. 61, No. 24 (1889), 1889, leaf 9
displays, electric and visual, at the recent French exposition were those per- tions of time; likewise micrometers for use with the around the vertical jet that escapes from the central large equatorial and a special micrometer for measur- part. Finally, the octagonal basin consists of two taining… … of the plateau in front of the main entrance. The six and the second ten jets. In the center is placed the possession of Benjamin A. Gould, of Cambridge, and was used by him in measuring up his photographs ; chameleon-like changes of color in the fountain waters an immense double wheat-sheaf jet.…

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