Browse Items (203 total)

Merrill, P.W., World War II R Aquarii Letter from Paul W. Merrill (Mt. Wilson Observatory) to Carl Lampland, February 12, 1942, 1942-02-12

Conference and work on R Aquarii

Effects of war conditions on Mt. Wilson Observatory

Tags: Astronomy, Events

Lampland, C.O., World War II R Aquarii Letter from Carl Lampland to Paul W. Merrill (Mt. Wilson Observatory), February 10, 1942, 1942-02-10

Conference on R Aquarii

Effects of war conditions on Lowell Observatory

Tags: Astronomy, Events

Coblentz, W.W., World War II Planetary Radiation Measurement Letter from W.W. Coblentz (Bureau of Standards) to Carl Lampland, June 24, 1940, 1940-06-24

Defective data on planetary temperatures

Mars opposition of 1941

The war in Europe

Tags: Astronomy, Events

Lampland, C.O., World War II Letter from Carl Lampland to W.A. Cogshall (Indiana University), January 31, 1945, 1945-01-31

Lampland's work at the 13-inch dome with the large spectroradiometer installed for observations of the Sun

War-time conditions

Military…

Tags: Astronomy, Events, Lowell

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…

Tags: Astronomy, Events

Lampland, C.O., Weather in Flagstaff Nebulae Letter from Carl Lampland to J.C. Duncan, February 24, 1937, 1937-02-24

Duncan's work on the Ring Nebula

Hubble's splendid new book on Nebulae

Omission of Keeler's and Perrine's names

Record breaking winter…

Tags: Astronomy, Lowell

Lampland, C.O., Weather in Flagstaff Letter from Carl Lampland to Walter Orr Roberts (High Altitude Observatory), June 10, 1950, 1950-06-10

Blue prints of the dome on 'High Altitude Observatory at Climax'

Practical form of dome where heavy snowfall is a problem

Applicable to…

Tags: Astronomy, Lowell

Lampland, C.O., Weather in Flagstaff Letter from Carl Lampland to Robley C. Williams (Cornell University), January 12, 1935, 1935-01-12

Lampland wrote to Scientific American to make sure Williams got proper credit for his pioneering work on the technique of coating mirrors with…

Tags: Astronomy, Lowell

Roemer, Elizabeth, Volume of the Nuclei-Comet Wirtanen, 1956-1960

Chart with measurements of the nuclei of Comet Wirtanen

Tags: Astronomy, Comets, Elizabeth Roemer, Science, Women

Slipher, V. M., V. M. Slipher to Edwin Hubble, September 7, 1942, on Hubble's manuscript draft and multiple interpretations, 1942-09-07

Slipher thanks Hubble for sending him the draft of his paper on nebulae rotation and describes how he left some notes in soft pencil that Hubble could…

Tags: Astronomy, Edwin Hubble, galaxies, galaxy, Nebula, nebulae, rotation, spectrograph, V.M. Slipher, velocity