Tubes, Frames, Lenses and Mirrors
IMG_3499.jpg
Description:
A student stretches string through the frame along sighting lines, marking its position with two crosswise strings. Photo courtesy of Dr. Elizabeth Cavicchi.
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IMG_3499.jpg
Alt text:
Photo of the student stretching another string through the frame along sighting lines.
Caption:
A student stretches string through the frame along sighting lines, marking its position with two crosswise strings.
Credit:
Photo courtesy of Dr. Elizabeth Cavicchi.
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January IAP
2010
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