Displacement varied with propulsion machinery from 590 to 672 tons.
Through their efforts the main propulsion machinery suffered no damage.
Half the propulsion machinery (boilers and turbines) was fitted to be worked when necessary.
The interior was crammed with propulsion machinery and tune channel controls.
From there a tunnel leads to the central control station for the propulsion machinery and other installations.
Still others were bulk carriers that had not yet been fitted with propulsion machinery.
"Well, we can never do away with the noise of a sub's propulsion machinery," Tom began.
On them focused the propulsion machinery that moved the planet.
The Navy tested various designs of propulsion machinery during the transition to steam power in the early 19th century.
These are the densest parts of the structure - the engines and propulsion machinery.