A, is shown raised to its full height of 144 feet; the sur- water, the water, as everyone knows, will rise only a again, sixteen locks with an average lift of about 9 feet face of the water in the tank, F, is at the same level as small distance within the tumbler, the elasticity of the ate… … the water in the tube preventing the flow of the air. pits. DIAGRAM ILLUSTRATING PRINCIPLES OF OPERATING If, now, we wish to make sure that the elevated tum- The operation is as follows: Let us suppose that THE PNEUMATIC LOCKS. bier shall waintain its position at a predetermined the caisson, B,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
