US$ 149.78
0 degrees Celsius
D-frame compact aquatic net with fine-mesh plankton netting and an integrated flat plastic handle
Slidable electromagnet on this 6V drive lets students vary amplitude while the chrome-plated steel prongs (10 x 25 x 300mm) sustain an accurate 60Hz vibration on a horizontal or vertical base
and bladder in anatomical position
and twelve 50g slotted weights for vector-addition work
Alnico U-Shape Magnet, 37mm Subcategory_Gas Generation 0 degrees CelsiusAn 18mm pole gap on this 37 x 13 x 10mm Alnico U shape concentrates field strongly enough to bend filings into clear field lines, with a keeper bar bridging the poles in storage.
US$ 149.78
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