” I replied, “and I’m familiar with their uses. But no doubt these others answer pressing needs unique to the Nautilus. That dial I see there, with the needle moving across it—isn’t it a pressure gauge?”
“It is indeed a pressure gauge. It’s placed in contact with the water, and it indicates the outside pressure on our hull, which in turn gives me the depth at which my submersible is sitting.”
“And these are some new breed of sounding line?”
” I replied, “and I’m familiar with their uses. But no doubt these others answer pressing needs unique to the Nautilus. That dial I see there, with the needle moving across it—isn’t it a pressure gauge?”
“It is indeed a pressure gauge. It’s placed in contact with the water, and it indicates the outside pressure on our hull, which in turn gives me the depth at which my submersible is sitting.”
“And these are some new breed of sounding line?”
