Mechanically powered torch
(Redirected from Clockwork torch)
A mechanically powered torch is a torch that is powered by mechanical movement, such as winding a spring and using the stored energy to power it for a small amount of time. It has the advantage of not needing batteries to operate.
Mechanically Powered Torch Media
This steel mill uses a flint held against the rotating wheel "D", making sparks. (Matthias Dunn, Treatise on the Winning and Working of Collieries, 1852)