| Show I leckfor LocK for carvale charles v cardot ot of paris parts france hae has recently deigned designed the lock for ship canals shown in the illustration and he claims that with it vessels of an any Y tonn niKe may be raised to a height ot at more than thirty yards without logs lose ot of water by i a simple oscillating or tilting mo movement ement of the loca loc chamber la in which the vessel float the lock Is shown in its it lowered position bating just received a hip ship from the low level 11 the empty air space between the two of 0 the tilting dock voiad provide sufficient Bud clent buoyancy to bloat the ship to the higher leve level were it not tor for a heavy truck stationed at the lowest point in the air chamber this truck la Is sufficient to overbalance the lifting power of the water and in order that the dock may tilt on its pivot point to the opposite end of the air chamber which gradually Kra dually allows the longer end ot of the dock to float upward and ralee raise the ship to the higher level at either end ot of the dock la 13 a bulkhead which form forms a watertight ater tight connect connection iou with each level the only mechanical work in connection with the lock is t IMPROVED FRENCH LOCK BYS TENI that of hitting the truck from one end of the lock to the other which can be b done in a few memento mc menta it Is i now the duty of the chine incas of ficiala to convince their deop people that the fh foreign devil par he tax |
