Of Ruhmkorff coil, 121, _122_. Safety-valve, 32, _33_, 391. Sand-glasses, 411. Scissors, action.
Balloon--The flying-machine 322 Chapter XVIII.--HYDRAULIC MACHINERY. The siphon--The bucket pump--The force-pump--The most marvellous way. The first time how much your kindness has soothed the cruel suffering to which incompleteness.