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Streak Retinoscope

Streak Retinoscope

OE-16
FEATURES Beam Adjustment to Divergent, Parallel & Convergent Large Semi-Reflector Interference Mirror Comes With One Spare Bulb 3 V Separate Control For Beam Adjustement & Streak Rotation 360° Operate Either With Large Dry Batteries or Rechargeable Cell, 15V x 2

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