Louis did not express an opinion, he just nodded lightly and slowly turned to look at Hamilton: "Did you also participate in this one?"
"Uh, I only assisted with calibration on this one." The young man answered shyly, his voice not loud, "I adjusted the gear ratio of the blower intake valve to make the wind flow more smooth..."
Mike couldn't help but add from the side: "Don't be fooled by his modesty. He drew the blueprints for several key parameters! I never thought it could be tuned so precisely!"
"Very good." Louis simply commented.
Yet it made Hamilton's shoulder tremble, and his ears turned red again.
Louis seemed not to notice, he just slightly nodded: "Isn't there another machine? Take me to see it."
Then Mike led everyone backwards, it was a well house made of brick and stone, the walls were mottled, and the top was covered with iron sheets.
Upon opening the door, the steam pump was already operating at full speed, the piston rose and fell with a distinct rhythm.
