Eisco Labs Hero's Engine - Eolipile - 10" Tall Length_74mm providing a measurable projection surface

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

Permanent-magnet stack inside an 8 x 5 inch base recharges weakened bar and horseshoe magnets by realigning their domains - no electrical power

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carbon canister and purge valve

Eisco Labs Hero's Engine - Eolipile - 10" Tall Length_74mm providing a measurable projection surfaceA functional glass model of the earliest form of steam turbine. Comprising a borosilicate glass bulb 70 mm diameter approx. Comprising a borosilicate glass bulb 70 mm diameter approx., with side arms bent at right angles and formed into jets at their tips. The bulb is carried upon a metal stand which leaves it free to rotate about its horizontal axis. If about 25 to 30 ml of water introduced into the bulb and boiled the issuing steam causes rapid