Victor Appleton, Tom Swift and His Giant Telescope… (1939)
“ Someone in our shops is a traitor--or worse!""But what has a damaged hydroplane to do with that?" objected Ned."If we had landed on water with these damaged pontoons, we'd have drowned most likely," replied Tom. "That would have suited the villains who want my formula, and no one would have been the wiser as to what caused the accident.""Admitting you're right, the thing's a pretty serious mess," said Ned. "But of course crooked people will go to long lengths for money, and if your formula is a good one, it certainly will bring a lot of money to someone or something." ”
