Croll, James, 1821-1890 (physical geologist and Keeper of Maps and Correspondence, Geological Survey of Scotland)
Person
Found in 25 Collections and/or Records:
Letter to Sir Charles Lyell from James Croll, 8 April 1865
Item
Identifier: Coll-203/1 folio(s) 584
Scope and Contents
Letter to Sir Charles Lyell from James Croll discussing the calculations and speculation concerning the temperature of space which ranges from -315 degrees farenheit to -224 degrees farenheit, 8 April 1865.
Dates:
8 April 1865
Letter to Sir Charles Lyell from James Croll, 18 May 1865
Item
Identifier: Coll-203/1 folio(s) 585
Scope and Contents
Letter to Sir Charles Lyell from James Croll referring to several works by Duperry, Nichol and A Keitz Johnston and discussing Superior and Subordinate Maxima. He asks Lyell to pass on any information he receives from the Astronomer Royal, 18 May 1865.
Dates:
18 May 1865
Letter to Sir Charles Lyell from James Croll, 6 November 1865
Item
Identifier: Coll-203/1 folio(s) 586-587
Scope and Contents
Letter to Sir Charles Lyell from James Croll concerning the temperature of Iceland in the glacial epoch and at the time this letter was written and how it is affected by season, position of the island and the presence of the Gulf Stream, 6 November 1865.
Dates:
6 November 1865
Letter to Sir Charles Lyell from James Croll, 25 December 1865
Item
Identifier: Coll-203/1 folio(s) 588-589
Scope and Contents
Letter to Sir Charles Lyell from James Croll concerning the eccentricity of the Earth's orbit which he has calculated for a million years past and to come of epochs 5000 years apart. He states that his results are favourable to the Cosmical Theory and will be published in the January edition of the Philosophical Magazine or in the December supplement, 25 December 1865.
Dates:
25 December 1865
Letter to Sir Charles Lyell from James Croll, 4 January 1866
Item
Identifier: Coll-203/1 folio(s) 590-592
Scope and Contents
Letter to Sir Charles Lyell from James Croll concerning the effect of the build up of ice during the glacial epoch upon the level of the ocean and his belief that the level of the ocean would not be lowered by the accumulation of ice as the level of the water would adjust itself to the altered centre of gravity of the earth, 4 January 1866.
Dates:
4 January 1866