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Actions Print current page Print all pages Download current page Download all pages Refine Author Mortensen, Otto, 1907-1986 1 Material Book 1	Results Library catalogue Publisher: Technological Institute 1 Hits 1 Jens Olsen's clock, a technical description. 1957. Mortensen, Otto, 1907-1986; Mortensen, Otto, 1907-1986 Remove from selection Add to selection 1

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