PM Research #5 Steam Engine Episode 2
9:04
How to Make Thread without Die and Lathe machine
23:51
Making a Fully Functional Jet Engine from Soda can | diy Jet Engine | homemade Jet Engine
44:51
Homemade Lathe steady rest (for a 100+ years old lathe) (using only a lathe)
22:03
PM Research #5 Steam Engine Episode #1
43:45
Construindo uma adaga de US$ 7.000 que vale cada centavo
27:35
Let's Build A Model Steam Engine - Making a Crankshaft!
15:48
PM Research Dynamo Episode 1
39:53