BRICK COMPRESSING MACHINE. The constantly increasing demand for materials for fire proof construction has recently directed much attention to the manufacture of pressed brick and there seems to be lit tle doubt that a well made well burnt brick is the most thoroughly indestructible substance known. We extract from our con temporary from an illustration of a brick pressing machine recently in vented by Mr. Henry Largeof London Eng. The machine is to be driven by a steam engine or other prime motor in the usual way by means of a belt and fast and loose pulleys on the shaft of the fly wheel. The
BRICK COMPRESSING MACHINE. The constantly increasing demand for materials for fire proof construction has recently directed much attention to the manufacture of pressed brick and there seems to be lit tle doubt that a well made well burnt brick is the most thoroughly indestructible substance known. We extract from our con temporary from an illustration of a brick pressing machine recently in vented by Mr. Henry Largeof London Eng. The machine is to be driven by a steam engine or other prime motor in the usual way by means of a belt and fast and loose pulleys on the shaft of the fly wheel. The belt is shifted by the fork and key handled sliding 19ver as plainly shown brought to the side of the machine where the at tendant stands so as to be readily ac cessible. On the shaft of the fly wheel there is also a small spur wheel which drives the large one above fixed on the second motion shaft. On the far ther side of the large spur wheel there is a reciprocating cam which actuates a horizon tal bar by means of a stud pin. This horizontal bar is a bent lever having on the end opposite the stud pin peculiar mechanism for work ing the compressing piston the head of which is seen below the end cover. The large spur wheel carries on its front a friction cam roller on a stud axle which actuates one of the arms of a double bent axial lever the other arm being furnished at its lower ex tremity with a long friction roller for pressing forward the molds across the table under the compressing piston. On the right hand side is seen a sec ond piston for emptying the molds by pressing the bricks down through at each stroke on to a platen table which forms the head of another piston seen below which is raised by a weighted lever. The counter balance is not suf ficient for the weight of a brick so that the brick presses the piston down ; and when it is removed by the attendant another brick. As the bent arm on the left hand side pushes the newly filled mold forward under the compressing
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