Electrostatic Discharger, 10.5" Manufacturer_Austerlitz Bare 20 SWG copper wire

Bare 20 SWG copper wire on a 250g reel approximating 140 feet

across 16 removable parts in an 18-inch female half-size model

the half-size circulatory model traces arterial and venous pathways from heart to peripheral capillaries

and flight adaptations for bird biology teaching

allowing a sodium or filament lamp to be aimed precisely onto a spectrometer slit or refraction-cell setup

Electrostatic Discharger, 10.5" Manufacturer_Austerlitz Bare 20 SWG copper wireInsulated 10. 5 inch discharger with a curved metal arm, used to safely bleed accumulated charge from Leyden jars, conductors, and the dome of a Van de Graaff generator.