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Paperback. Condición: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condición: Very Good. Paperback with minimal wear and clean pages. ; 9.40 X 6.40 X 0.50 inches; 190 pages.

Paperback. Condición: Good. Text free of underlining, writing and highlighting. Retired library book with usual library markings. From the Foreword: Historians of science debate whether there is a distinctively American science, there is little doubt that there are distinctively American scientific institutions. Influenced not only by a century and a half of science and technology, but also by national, regional and local events, the U. S. Naval Observatory is among the oldest of these institutions. The occasion in December 1980 of the 150th anniversary of the founding of the Depot of Charts and Instruments, forerunner of the Naval Observatory, provided an opportunity to reflect on the Observatory's past, present and future. It was also an opportunity for celebration. Through the efforts of the Observatory's Public Affairs Committee and the Committee on the Preservation of Historic Instrumentation, Photographs and Documents (familiarly known as the History Committee), a wide variety of celebratory activities was organized. There was a conscious attempt to present the institution in turn to the Navy, the academic community and the public, and to Observatory personnel, current and past. On the morning of Friday, December 5, an official ceremony was held in the Library. The program of speakers is printed on page viii. In the afternoon the historical symposium was held. And in the evening there was a party for staff and friends of the Observatory. Saturday was devoted to a day-long open house for the public. The final event, on Monday morning, was the symposium on current work and future goals. There are many ways to measure the success of the festivities: the list of distinguished speakers, the quality of the presentations (as documented by this volume), the number of visitors; the exhaustion of the organizers. The open house on Saturday, December 6, was overwhelmingly successful. Encouraged by clement weather, more than 6100 people visited the Observatory, viewing the special exhibits and facilities, from telescopes to atomic clocks. 190 pages.

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Condición: New.

Taschenbuch. Condición: Neu. Neuware.

Paperback / softback. Condición: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.