US$ 11.00
adjustable from 0 to 45 degrees with an alignable pulley and included pan and roller
and raised molded graduations
packaged in a wooden storage box
Student kit for constructing a working DC motor from component parts
Small Loudspeaker for Physics Demonstrations Item Type_Shot Glass adjustable from 0 to 45Plastic housed 100 x 75 x 40mm enclosed loudspeaker, sized to mount alongside a tone generator for converting electrical signals into audible tones during sound wave demonstrations.
US$ 11.00
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