Hero’s Engine (Eolipile)
Comprising a borosilicate glass bulb 70mm diameter, 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 25cm3 of water is introduced into the bulb and boiled the issuing steam causes rapid rotation.
Supplied complete on stand.
Dimensions of base: 180 x 120mm.