St John‘s College Personal Collections

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/1/3
Item
13 Jan. (No year given.)

Part of Papers of John Couch Adams

Equilibrium of artillery under the action of gunpowder.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/3/2
Item
21 Nov. (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Retardation of earth. Motion of sphere with fluid centre. War with Russia.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/3/4
Item
7 Dec. (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Retardation of earth. Motion of sphere with fluid centre.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/5/3
Item
21 July (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Sending papers on tides [of the earth?] and retardation of the earth to the Mathematical Society. Working on earth's temperature and law of solar outpower[?] in bygone ages. Pamphlet: W. Crookes Experimental Investigations on Psychic Force.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/5/4
Item
4 Aug. 1863 (No year given: after 1863.)

Part of Papers of John Couch Adams

Written from Hampstead. Tyndall's Heat a mode of motion: solar radiation, cause of climate change. [J.Tyndall Heat considered as a mode of motion. Lectures given at the Royal Institution 1862, published 1863]

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/5/5
Item
4 Aug. (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Fluidity of centre of earth: Thomson vs. Delaunay.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/7/1
Item
10 May (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Possible Solar reasons for climate change. Retardation of the earth's rotation: Sir W. Thomson.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/7/4
Item
20 Aug. (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Tides and retardation of the earth.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/7/5
Item
21 Aug. 1875 (Year added in another hand in pencil.)

Part of Papers of John Couch Adams

Written from Hampstead. Tides and retardation of the earth.

Rohrs, John Henry (fl 1868-1869)

Autograph letter signed to J.C. Adams

Adams/Box 5-15/Box 13/8/1
Item
9 Sep. (No year given.)

Part of Papers of John Couch Adams

Written from Hampstead. Terrestrial tides. Beginning of subject? Slight alteration of JHR's equation gives Thomson's, that for a viscous fluid rotating globe, or that for a fluid globe. JHR. offered Nevawashky the Order of the Bath: he skedaddled.

Rohrs, John Henry (fl 1868-1869)

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