Description
configurable across many ratios for transformer-action demonstrations
Pair of 12 by 3
and a pulley for introducing momentum
Spanning C (256 Hz) through C (512 Hz) in scientific pitch
Tensioner pulley keeps chain engagement consistent on this hand-cranked chain drive
Triple Folding Magnifier with 25mm Lens, 10x Ag Mechanics configurable across many ratios forStacks three independently folding 25mm lenses for 10x magnification, each lens stowing into the housing for pocket portable classroom, field, and specimen work.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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