Spherical Conductor, 8cm Diameter Subcategory_Sound and Resonance Cork-jawed safety tongs measuring 12

Cork-jawed safety tongs measuring 12 inches in stainless steel accommodate both round-bottom flasks and straight-sided beakers

Designed to make electric field lines visible

configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations

set in motion by ion wind from corona discharge whenever the apparatus is connected to a high-voltage source

Flame stabilizer paired with an anti-tip cast iron base on this natural gas Bunsen burner

Spherical Conductor, 8cm Diameter Subcategory_Sound and Resonance Cork-jawed safety tongs measuring 12Polished 8cm brass sphere on an ebonite insulated metal base, sized to retain induced charge through demonstrations of Coulomb's law and surface charge distribution.