This is believed to be the only Hero steam turbine on the market.
Designed and built to very high engineering standards in the UK, this
turbine can reach speeds of 2500rpm. Its design is based on the
original first steam turbine invented by Hero of Alexander around
2000 years ago but with some modern improvements.
More information about the Hero Steam Turbine
A Tesla turbine is a bladeless turbine designed by
the Serbian-American inventor Nikola Tesla who was also responsible
for the creation of alternating current, multi-phase electricity supply and
may other electrical innovations. This model generates up to 60 Watts of
3-phase power from a standard compressed air line.
More information about the Tesla Turbine