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Antique microfilm viewer - film roll rotate ratchet mechanism with spring movement - metal and plastic ...
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Antique microfilm viewer - film roll rotate ratchet mechanism with spring movement - metal and plastic ...
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Antique microfilm viewer - film roll rotate ratchet mechanism with spring movement - metal and plastic ...
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Antique microfilm viewer - film roll rotate ratchet mechanism with spring movement - metal and plastic ...
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Jolting robotic stinger for sound design.