Word: focused
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Dates: during 1900-1900
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From the standpoint of photographic research the collection is valuable as an evidence that difficulties resulting from exceptional brightness, cold, and altitude can be successfully overcome. This was done by the use of a specially constructed camera provided with a long focus lens and isochromatic plates. Perhaps the best example in the collection of photographic achievement is a panoramic view showing Clay, Jefferson, Adams, and Madison Mountains as seen from the summit of Mr. Washington...