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Retrotech: IMG_1789
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Retrotech: laser
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Retrotech: slide with clear R6G
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Retrotech: R6G 'fingernail polish'
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Retrotech: IMG_1689
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Retrotech: IMG_1692
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Retrotech: N2
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Retrotech: IMG_1964
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Retrotech: IMG_1961
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Retrotech: Fluorescein
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Retrotech: IMG_2261
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Retrotech: IMG_2231
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Retrotech: thin uncollimated beam from lasing Arm and Hammer detergent
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Retrotech: raw output from detergent laser on distant wall
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Retrotech: Detergent laser
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Retrotech: Fog and A&M two
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Retrotech: Fog and A&M five
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Retrotech: the real laser dye cuvette with colimating lens
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Retrotech: IMG_3522a1
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Retrotech: laser
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Retrotech: IMG_0994
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Retrotech: cover slip laser -- better focus, but spot not as bright
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Retrotech: IMG_0905
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Retrotech: no lens
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Retrotech: laser
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Retrotech: laser
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Retrotech: laser
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Retrotech: TERP
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Retrotech: TERP
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Retrotech: Arm & Hammer beam on wall