Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 103
Science Conspectus 87 … Hawaiian Volcano Observatory from the northeast vertical lines or columns, and the fluctu- day we shall have the means during a ation in height to the top of the columns time of high activity of Kilauea to keep thus expresses for each month graphically a staff of assistants at work with a transit…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
