Detroit Observatory Chronology: 1896-1916

1852-1855 | 1856-1873 | 1874-1894 | 1896-1916 | 1917-1960s | 1961-present

1896 Harrington serves as President of the University of Washington
Hall gets approval to add bathroom to the Observatory
1898 Harrington returns to the U.S. Weather Bureau as Director at San Jan, Puerto Rico, returning to New York after 6 months
Harrington retires due to failing physical and mental health
1900 Jasper F. Cropsey dies
1902 Alvan Clark & Sons add a spring to the meridian circle lens cell
Sextant purchased for $150
1903 Astronomer Cleveland Abbe, Class of 1860, writes in support of moving the Observatory to a better location
Surveyor's transit purchased for $375
1904 Hall publishes Determination of the Abberration Constant
1905 Hall resigns to return to the U.S. Naval Observatory
William J. Hussey appointed as Director
Director's residence expanded and improved
Observatory Shop established
Weather observations sent to the U.S. Weather Bureau
Hussey travels to Egypt to observe solar eclipse
1906 Observatory Shop staff hired
January Bathroom added to original observatory
August 37 1/2-inch mirror ordered from Brashear for a new reflecting telescope; delivered in December
1907

Fitz refractor converted: steel tube replaces wooden tube, driving clock added, 3 1/2-inch finder, etc.
New Warner & Swasey micrometer obtained for the Fitz refractor
New observer's chair obtained--lighter and more convenient
Drainage improvements made to the Observatory
Observatory becomes a station of the U.S. Weather Bureau
Courses added in modern astronomy and astrophysics, history of astronomy, and variable stars
Rudolph Brünnow's wife dies; he moves to Princeton, NJ

1908 Students' Observatory moved 300 feet west
West wing of basement in original building is expanded
1908 addition is constructed, attached to the original building at the east
New comet seeker telescope constructed by Henry Colliau in the Observatory Shop, with Brashear 4 1/2-inch lens; mounted on top of Director's residence
Catwalk added from original building to roof of residence; another to the 1908 addition
Original comet seeker used as a finder on the 37 1/2-inch reflecting telescope
Students' refractor receives a new dirving clock, worm and worm wheel, and electric slow motion
Camera provided for the students' refractor
Encroachment on the Observatory site was stopped after bulldozers began grading the land to the west as a women's athletic field
Robert Lamont donates funds for refracting telescope to be used at the Lamont-Hussey Observatory in Bloemfontain, South Africa
Harrington, missing for years, discovered homeless in Newark and is placed in a sanitarium
1909 Seismmographs added to the clock room in the 1908 addition
Single-prism spectrograph by Brashear obtained for the 37 1/2-inch reflecting telescope
1910 40-foot dome for the 1908 addition is constructed and installed by the Russell Wheel and Foundry Co., Detroit
1911

37 1/2-inch reflecting telescope for spectrographic work is completed
Hussey appointed Director at LaPlata Observatory in Argentina, in addition to directorship at Michigan
Ralph H. Curtiss appointed Assistant Director
Observatory grounds expanded to the east by gift of 26 acres form R.P. Lamont, Civil Engineering Class of 1891
Howard clock No. 413 moved to the 1908 addition
37 1/2-inch reflecting telescope completed

1912

Publications of the Observatory of the University of Michigan series is launched; Vol. I, Part I, is published
Plan developed to drain the Cat-Hole and build a University Power Plant; site called Huddy Hill considered for the Observatory

1914 Dedication of the Tappan Memorial; Rudolph and Eric Brünnow attend
1915 Publications of the Observatory of the University of Michigan Vol. I, Part II, is published
Huddy Hill is considered again as a possible relocation sight for the Observatory
1916 Publications of the Observatory of the University of Michigan Vol. II, is published
Eric Brünnow dies of infantile paralysis

The chronology is excerpted with the author's persmission from A Creation of His Own: Tappan's Detroit Observatory, by Patricia S. Whitesell, ©1998.