Description
used for image-formation and focal-length teaching at physics workstations
Two-part split heart model on an integrated base separates into right and left hemispheres
supplying the strongest field of the Alnico horseshoe series for visible attraction-distance demos
sized for elementary lessons on area
and a storage box
Phenol Red Lactose Differential Medium Material_Cork used for image-formation and focal-lengthPhenol red indicator shifts yellow when bacteria ferment lactose to acid, supporting differential identification of coliform and lactose fermenting species.
Exchange/Return Notes
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