So, I dove into this book with zero expectations, I'll admit. I found it looking through old public domain science texts, and the name 'Keely' kept popping up in weird anecdotes. This book, written by a woman determined to prove he was legit, is a fantastic time capsule. Let me break it down.

The Story

John Worrell Keely didn't just have a new engine. He said he had a whole new system to disrupt physics. He could take a violin string tuned to a certain note, and with a special motor vibrated by 'vaporic' or 'inter-etheric'—honestly, words that fly thirty miles over my head—he claimed to make objects float, run engines with nothing but water, and smash gravity. Moore's book tracks his experiments. It's not just his inventions; it’s also all the scuffles. When Keely couldn't turn a profit? Investors turned cold. A Philadelphia newspaper called 'The North American' ran a story claiming he cheated. Cue a courtroom cry of 'Fraud!' Moore was one of his few loyal believers, and this book is her trying to defend his legacy against… basically the world.

Why You Should Read It

Honestly, what hooked me wasn't just the 'what if Keely was right?' thought (which is super fun to imagine). It's the story itself. The drama between this lonely inventor, his brilliant backers (Moore herself was an inventor, a widow with money and a brain), and a merciless press is something we totally see today with crypto startups or new tech in valleys far and wide. The tension feels totally raw. Also, the trust factor is great to chew on: when a story of discovery sounds too wild to believe, who do you trust? The advocate, like Mrs. Moore, fighting for truth? Or the skeptical detective, saying it’s just hidden pipes and magic tricks? Reading it 125 years later, you feel both cold doubt and hopeful “maybe.” It made me question a lot what’s been 'settled' in today's science that hasn’t gone our way yet. And hat's off to Moore—she shows incredible lioness energy backing her friend’s work when he needed it. Read it for her backbone alone.

Final Verdict

Who is this book for? Perfect for history buffs who love the wild era between the light bulb and airplanes coming true. It is a must-read for anyone into lost inventions and underdog weird science (like the tech behind 'True Detective' if it was set in an 1880 workshop). Also good fit fans thinking around 'is Tesla/Pasteur an echo here or not'? Not recommended if you need super clear drawn diagrams in black-and-white. This book leaves you with dots to circle yourself. But if time-warp brain teasers and conspiracy-thriller energy sounds good? Grab a linen vest or just coffee, and prep for fascinating bafflement.