Two monks with telescope at the astronomical observatory at S. Domingo, Lima, Peru (detail, image now links out)
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Then said the shepherds one to another, let us here show the pilgrims the gates of the celestial city, if they have skill to look through our prospective glass
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Galileo offering his telescope to three women (detail)
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Members of the Argonne National Laboratory Club in Chicago searching the sky through special tracking telescopes set to cover different areas of space. They're shown as they tried to catch a glimpse of the Russian man-made moon.
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South lawn, U.S. Naval Observatory, Spring 1874. Transit of Venus teams (image)