US$ 135.00
Red LED on a demonstration base with 4mm plug connections
the smallest in the bar-magnet series
Used to suspend in a Lorentz-force experiment via the back-mounting hole
and a tensioning pulley
Aluminium-rail Laplace apparatus with a marked mobile bar that moves under 2
Reading Magnifier, 100mm, 15cm Focal Length, Alternate Model Material_Hardwood Red LED on a demonstrationChrome plated 100mm alternate model reading magnifier with a 15cm focal length, the broader lens capturing more page area while supporting general magnification for reading.
US$ 135.00
US$ 29.99
US$ 190.00
US$ 149.00
US$ 158.00