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Retrotech: 3 slide OC on charred cork after improvement in alignment
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Retrotech: 3 slide OC with better alignment on charred cork
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Retrotech: 3 slide OC improved alignment on charred wood
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Retrotech: 3 slide OC before good alignment on wall target
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Retrotech: 3 slide OC after better alignment and more even slide spacing
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Retrotech: mirrors close to rod in action 2
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Retrotech: microscope slide OC
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Retrotech: mirrors close to rod
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Retrotech: microscope slide OC output 4 yards from laser
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Retrotech: 50% output coupler, with mirrors back in original position
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Retrotech: Microscope slide OC with focused output
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Retrotech: mirrors close to rod in action
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Retrotech: microscope slide OC in action
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Retrotech: laser
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Retrotech: laser
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Retrotech: laser
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Retrotech: laser
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Retrotech: IMG_6133
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Retrotech: laser
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Retrotech: flint
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Retrotech: razor
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Retrotech: flint
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Retrotech: flint
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Retrotech: Ruby Laser Pulse
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Retrotech: Rock from flower bed
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Retrotech: Rock
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Retrotech: Rock
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Retrotech: flint
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Retrotech: flint
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Retrotech: Artist's Charcoal