Decade Capacitance Box, Model F Graduations_Ungraduated panel-mounted with 4mm sockets and

panel-mounted with 4mm sockets and an enclosed earth connection for safe wiring during induction and AC demonstrations

this seven-piece set traces fetal delivery from engagement through crowning to placental separation for labor and delivery teaching

Compass mounted parallel to a current-carrying coil deflects against Earth's horizontal field

transverse

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

Decade Capacitance Box, Model F Graduations_Ungraduated panel-mounted with 4mm sockets andUsed to substitute calibrated capacitance into AC circuits without rewiring, this decade box selects cascaded values for RC time constant, resonance, and frequency response student work.