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Croll, James, 1821-1890 (physical geologist and Keeper of Maps and Correspondence, Geological Survey of Scotland)

 Person

Found in 2 Collections and/or Records:

Letter to Sir Charles Lyell from James Croll, 17 February 1866

 Item
Identifier: Coll-203/1 folio(s) 606-607
Scope and Contents Letter to Sir Charles Lyell from James Croll concerning calculations of Charles Moore's which Lyell had sent to him and discussing his own calculations which show how much the centre of gravity of the Earth would have been displaced by the weight of ice-caps, 17 February 1866.
Dates: 17 February 1866

Letter to Sir Charles Lyell from James Croll, 23 April 1866

 Item
Identifier: Coll-203/1 folio(s) 615-618
Scope and Contents Letter to Sir Charles Lyell from James Croll concerning the temperature of the earth in both winter and summer and how this temperature is affected by the position of the earth in relation to the sun and snow and ice throughout the world, 23 April 1866.
Dates: 23 April 1866