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Water-lens
WATER-LENS

Definition: A simple lens formed by placing a few drops of water in a vessel, e.g. a small brass cell with blackened sides a glass bottom.
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See perfect lens (4).

See perfect type (1).
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See perfect process (3).

See perfect formation (1).

See perfect simplicity (3).
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See perfect particularity (1).

See perfect characteristic (1).

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