[video] Working Model Of Stephenson's Steam Engine Made Of Glass

[6Foot2]

 

...There are no sealants used. All is accomplished by a perfectly snug fit. The gap between the piston and its compartment is so small, that the water that condensates from the steam seals it shut...

Edited February 21, 2012 by 6Foot2
Amend thread title.

[edutech4schools]

coooooool