Lampland, C.O., Solar Eclipse Expeditions
World War I
Letter from Carl O. Lampland to John A. Miller (Vice President, Swarthmore College), November 1, 1917, 1917-11-01
Visit by Mrs. Lowell and Trustee, Guy Lowell
Photographic doublet needed to continue the transneptunian work and preparations for the eclipse…
Russel, H.R., World War I
Hubble's Variable Nebula (N.G.C. 2261)
Letter from Henry Norris Russell (Princeton University) to Carl O. Lampland, February 9, 1918, 1918-02-09
Thanks for slides Lampland sent of nebulae
Slide of N.G.C. 2261 (Hubble's Variable Nebula) is by far the best illustration of its extraordinary…
Lampland, C.O., World War I
Letter from Carl O. Lampland to Dorothy Issac-Roberts (Director of the Bureau of Measurements, Paris Observatory), September 12, 1916, 1916-09-12
Lampland requests copies of Isaac Roberts' negatives of nebulae for measurement and comparison with negatives made recently at LO