Record

RefNoPP/14/36
Previous numbersPP/46/38
LevelFile
TitlePaper, 'On the velocity of transmission through sea-water of disturbances of large amplitude caused by explosions' by Richard Threlfall and John Frederick Adair
CreatorAdair; John Frederick (1852-1913); Irish mathematician; physicist
Date1889
DescriptionThe authors write: 'During the latter months of the year 1886 and the first half of the year 1887, experiments were undertaken by one of us in conjunction with Lieutenant Ottley, R.N., of Her Majesty’s ship “Nelson,” then stationed at Sydney, with the view of obtaining definite information as to the existence or non-existence of the supposed phenomenon of “explosion by influence.” It had been previously discovered (Threlfall, ‘Phil. Mag.,’ March, 1886) that in the case of small explosions of fulminate of mercury under water, there was a sort of directed effect due to want of symmetry in the disposition of obstacles surrounding the centre of explosion.'

Annotations in pencil and ink. Includes two sample prints of a chronograph plate, a plan drawing of experimental apparatus and a geometrical diagram 'shewing method for finding the distance EF between two spikes in the tops of two piles in Berry's Bay, Port Jackson'.

Subject: Physics

Received 14 March 1889. Read 21 March 1889. Communicated by Joseph John Thomson.

A version of this paper was published in volume 46 of the Proceedings of the Royal Society as 'On the velocity of transmission through sea-water of disturbances of large amplitude caused by explosions'.
Extent84p
FormatManuscript
Diagram
PhysicalDescriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
AccessStatusOpen
RelatedMaterialDOI: 10.1098/rspl.1889.0055
Fellows associated with this archive
CodePersonNameDates
NA8288Thomson; Sir; Joseph John (1856 - 1940); physicist1856 - 1940
NA6235Threlfall; Sir; Richard (1861 - 1932); physicist and chemical engineer1861 - 1932
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