Word: screened
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Dates: during 1880-1889
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During the lecture many pictures from photographs of the tombstones in Athens were thrown by the stereopticon on a screen in front of the audience...
Still more recently two of the waiters of the Hall became engaged in a petty scuffle behind the screen. Instead of allowing this occurrence to pass without notice, as its pettiness might have suggested, a number of students jumped into their chairs, others began to applaud with their feet and hands. These actions were undignified and entirely unworthy of Harvard men. We are sure that those who took part in them do not realize that as the officers of the Hall cannot act as policemen, good order in the Hall depends not a little upon the self-control of every...
...lecturer illustrated his remarks by numerous experiments, one of which was very beautiful. The magnified image of an are light was thrown upon a screen, and its intense heat shown by burning a clay pipe...
...have means of ascertaining the waves of energy coming from a nail which is but slightly heated. The two carbons of an electric light were then projected on screen and the light coming from the incandescent carbons shown...
...last night on "Composite Photography" was very interesting and was well illustrated by the stereopticon. The lecturer dwelt upon the double value of his subject from a scientific and an artistic point of view. Among other illustrations was the actual making of a composite by combining pictures on the screen...