Sidebar content	Main content
Actions Displays	Details Remove from selection Add to selection Title Jens Olsen's clock, a technical description. Author Otto Mortensen, 1907-1986 Otto Mortensen, 1907-1986 Description 156 p. :, 30 cm. Call Number QB107 .M67 1957 Subjects Olsen, Jens, -- 1872-1945., Astronomical clocks. Publishing Copenhagen :: Technological Institute, 1957. Material Book

Adler AIS
Adler Planetarium