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Adams, John Couch (1819-1892) astronomer Item
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Autograph letter signed to J.C. Adams

Sends places of stars. Has note from LeVerrier, and offprint to be passed on to J.C.A. in due course.

M. Babinet has attacked LeVerrier by suggesting there is another planet affecting the position of Neptune.

Challis, James (1803-1882) astronomer and physicist

Autograph letter signed to J.C. Adams

Analysis of effect of materials, weights and construction of shot and charges of powder on performance of chronograph. Distribution of published description. Making simpler instrument for comparison.

Bashforth, Francis (1819-1912) mathematician

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