1894 Patent No. 19,479 values water hydraulic machinery, John Etchells, Heaton

Patent No. 19,479 A.D.1894 Improvements in Valves or Apparatus for Supplying Water to the Cylinders of Hydraulic Lifts, Hoists, Cranes, or toehr Hydraulic Machinery.

"I, John Chalres Etchells, of Heaton Chapel, near Stockport in the County of Lancaster, Engineer, do hereby declare the nature of this invention to be as follows: This invention is designed to provide a valve or apparatus for automatically supplying the power water to the cylinders of multiple cylinder hydraulic apparatus where mor than one cylinder is employed and brough into action according to the load to be lifted..."

6 pages of text + 2 drawings which have been disbound from a larger volume.

.