olid material in lumps,hard coal being the handiest and by the description of details below, is easily operated, even ly fitted into the top of the spring; this pin is of sufficient most preferable substance for the purpose. There are two under great pressures. The extreme compactness of this… … tudinal movement of the stem, while it allows it to rotate way when the valve is open or the disks sufficiently raised. COMPRESSED AIR LOCOMOTIVES. upon its axis. For the purpose of perfectly packing the This spring is forced into position by means of the screw stem there is formed on the lower…
Patents · Iron · Water · Valve · Heat · Consists · Stem · Compressed air · Top plate · Scientific American · Steam boiler · Narrow gage · Cast Iron · Exhaust valves · Steam engine · Wrought iron · Sewing machine
Internet Archive · Public domain (published before 1931). Free to use for anything.
