Spare Glass Bulb for Hero's Engine Hypotenuse_35mm SUPERIOR DURABILITY || Features uniform

SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts

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

Wider-aperture concave glass mirror at 75mm with 200mm focal length

Five ceramic ring magnets at 1

High-current 10A AC scale on a 315x115mm laminated panel with sealed shunt

Spare Glass Bulb for Hero's Engine Hypotenuse_35mm SUPERIOR DURABILITY || Features uniformBorosilicate glass replacement bulb at 7 inches long with 90 degree vent spouts, driving rotational motion as escaping steam illustrates reaction thrust on a Hero's engine apparatus.