Peter J. Starley

Warwickshire RFD 156

Gun Powders, Black Powders,
Nitro Propellants And All Reloading Materials

Gunpowder Hydraulic Cake Press, No. 265
pressure exerted 1,000 tons

The gunpowder meal is here strickled off to required depth in a mould 24in. square. The movable top block is run into position and hydraulic pressure applied from below. The resulting cake is of particularly dense composition and about 1/2in. thick. Cylinder is of steel, containing ram of 24in. diameter. Columns are 8 1/4in. diameter in smallest part. Pressure of water 2 1/4 tons per sq. in.