Large Loudspeaker for Physics Demonstrations Subcategory_Spring Scales consistent rotation in force and

consistent rotation in force and motion experiments

one fitted with an exploder piston for momentum and action-reaction investigations

Three-speed manual transmission with reverse in a clear-plated case

Electromagnetic pickup that converts sonometer-string vibration directly into an electrical signal

yellow) sit in 50 x 50mm mounts

Large Loudspeaker for Physics Demonstrations Subcategory_Spring Scales consistent rotation in force andBuilt in 300mW variable gain amplifier with 1 megohm input impedance accepts low output signal generators directly through the included coaxial to 4mm plug lead on this enclosed loudspeaker.