Reference numberPP/4/10
Previous numbersPP/36/10
TitlePaper, 'Note on the foregoing paper' by R [Richard] Strachey
DescriptionStrachey writes of a paper by Robert Henry Scott (see PP/4/9): 'The obvious correspondence of the forms and times of occurrence of the barometric disturbances, described in Mr Scott’s paper, at once suggested that they were due to a common origin, and the great volcanic eruption at Krakatoa in the Straits of Sunda appeared to supply a probable efficient cause. Any shock of sufficient violence might be expected to produce an atmospheric wave, advancing from the place where it was caused in a circular form round the globe, at first expanding until it had got half round the earth, and then again contracting till it was again concentrated at the antipodes, from which again it would be thrown, back, and so pass backwards and forwards till it was obliterated. It might also have been expected that such a wave would travel with the velocity of sound, being probably of the same nature as that which causes sound, though the vibrations had not the peculiar character that affects our organs of hearing. It has, however, been suggested to me that the wave may rather have had the character of a solitary wave produced in a liquid, the velocity of which in the air would not materially differ from that of sound. A rough examination of the facts at first made known by the observations recorded in Great Britain indicated that there was primâ facie strong evidence in support of this view, and that the phenomena would be approximately explained by the passage round the earth of a series of waves travelling at the rate of about 700 miles an hour in opposite directions from the place where the volcanic eruption occurred. The records since procured from other places, and the more careful examination of the facts, has quite confirmed this conclusion.'

Annotations in pencil and ink.

Subject: Meteorology

Received 12 December 1883. Read 13 December 1883.

A version of this paper was published in volume 36 of the Proceedings of the Royal Society as 'Note on the foregoing paper'.
Physical descriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rspl.1883.0088
Related records in the cataloguePP/4/9
Fellows associated with this archive
NA1159Scott; Robert Henry (1833 - 1916)1833 - 1916
NA3799Strachey; Sir; Richard (1817 - 1908)1817 - 1908
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