US$ 32.00
suited to bench-scale magnetism work where space is tight or where weaker field strength is required
closing the circuit only while the button is held to introduce momentary-contact behavior alongside latched switches
overhead spring
and brainstem for neurology
Built for biology dissection work
Concave Glass Mirror, 75mm Diameter, 150mm Focal Length Pack Size_14 suited to bench-scale magnetism workConcave glass mirror at 75mm diameter and 150mm focal length on a ~3mm thick blank, the f 2 geometry balancing throw and magnification in introductory reflector optics.
US$ 32.00
US$ 107.50
US$ 115.00
US$ 115.00
US$ 145.00
US$ 190.00