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Worm Gear Drive Mechanical Demonstration Set Included_Stopper This set is comprised of
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Worm Gear Drive Mechanical Demonstration Set Included_Stopper This set is comprised of
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Worm Gear Drive Mechanical Demonstration Set Included_Stopper This set is comprised of This set is comprised of three Eisco engine models: PH0492 and psychology teaching Hand cranked worm and wheel drive with a rotation dial between clear acrylic plates illustrating the high ratio speed reduction and self locking action of worm gearing
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Worm Gear Drive Mechanical Demonstration Set Included_Stopper This set is comprised of
Item no
:
21133535586
US$ 89.99
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Min. order:
1piece
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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
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