Croll, James, 1821-1890 (physical geologist and Keeper of Maps and Correspondence, Geological Survey of Scotland)
Person
Found in 3 Collections and/or Records:
Letter to Sir Charles Lyell from James Croll, 28 February 1866
Item
Identifier: Coll-203/1 folio(s) 608-609
Scope and Contents
Letter to Sir Charles Lyell from James Croll concerning the calculations made by himself and Charles Moore as to the shift in the centre of gravity due to ice-caps and concerning Solstitial points and Perihelion in the earth's orbit, 28 February 1866.
Dates:
28 February 1866
Letter to Sir Charles Lyell from James Croll, 17 April 1866
Item
Identifier: Coll-203/1 folio(s) 611-612
Scope and Contents
Letter to Sir Charles Lyell from James Croll concerning the quantity of heat received from the sun between two equinoxes, the effect of Perihelion and Aphelion on the length and strength of summers and winters and the effect of the formation of ice and snow on the levels of heat given off from the earth, 17 April 1866.
Dates:
17 April 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