NAHSTE: Letter to Sir Charles Lyell from James Croll

Letter to Sir Charles Lyell from James Croll
Item Summary
Reference Code	GB 0237 Sir Charles Lyell Gen. 109 Lyell 1/593-594
Date(s)	6 January 1866
Extent and medium of the unit of description	1 letter
Name of creator	Croll \| James \| 1821-1890 \| physical geologist and Keeper of Maps and Correspondence of the Geological Survey of Scotland
Scope and Content
Scope and Content	Letter to Sir Charles Lyell from James Croll regarding modifications he has made to his Submergence Theory which held that the level of the ocean would not be lowered by the accumulation of ice due to Lyell passing on some calculations as to the amount of water needed from the oceans to form an ice-sheet of sufficient mass to alter the earth's centre of gravity. He encloses a letter to the Reader to put the matter straight and asks for Lyell's approval. 6 January 1866.
Index
Subjects	Ice Sheets Gravity Levels, Ocean Submergence Theory
People	Croll \| James \| 1821-1890 \| physical geologist and Keeper of Maps and Correspondence of the Geological Survey of Scotland Lyell \| Sir \| Charles \| 1797-1875 \| geologist
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Letter to Sir Charles Lyell from James Croll