US$ 195.00
and electrostatic discharge
Acrylic optical elements 50mm wide - semicircular
Chrome-plated steel wire mesh stand measures 3
seismic-wave propagation
Pulley Demonstration Kit Pack Size_24 and electrostatic dischargeModular pulley kit with a 35cm track, two legs, two 20 inch rods, two riders, two boss heads, slotted masses (50g and 100g), a hanger, perpendicular pulley rod, hooked pulley, and thread.
US$ 195.00
US$ 172.50