Marvels Of Scientific Invention is An Intriguing Account In Non-Technical Language Of The Invention Of Guns, Torpedoes, Submarines Mines, Up-To-Date Smelting, Freezing, Colour Photography, And Many Other Discoveries Of Science in the 19th Century. <p> Contents: Digging With Dynamite, Measuring Electricity, The Fuel Of The Future, Some Valuable Electrical Processes, Machine-Made Cold, Scientific Inventions At Sea, The Gyro-Compass, Torpedoes And Submarine Mines, Gold Recovery, Intense...
