US$ 195.00
overhead spring
suited to bench-scale magnetism work where space is tight or where weaker field strength is required
Wooden storage box 3
closing the circuit only while the button is held to introduce momentary-contact behavior alongside latched switches
Concave Glass Mirror, 75mm Diameter, 150mm Focal Length Pack Size_14 overhead springConcave 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$ 195.00
US$ 429.00
US$ 229.50
US$ 2600.00
US$ 1120.00
US$ 229.50
US$ 175.00
US$ 40.00
US$ 495.00