CHAPTER VI
TURNING THE TABLES
When the young inventor informed bis father what he had overheard Mr. Berg saying, the aged inventor was not as much worried as his son anticipated.
"All we'll have to do, Tom," he said, "is to keep quiet about where we are going. Once we have the Advance afloat, and try her out, we can start on our voyage for the South American coast and search for the sunken treasure. When we begin our voyage under water I defy any one to tell where we are going, or what our plans are. No, I don't believe we need worry about Mr. Berg, though he probably means mischief."
"Well, I'm going to keep my eyes open for him and Andy Foger," declared Tom.
The days that followed were filled with work. Not only were there many unexpected things to do about the submarine, but Mr. Sharp was kept busy making inquiries about the sunken treasure
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