| Description | Standard drawings of various sluice, stop and safety valces.
Detail of 18 inch sluice valve - partially coloured tracing, Jul. 1887.
Detail of 5 inch standard globe stop valve - tracing, Apr. 1888.
Detail of 2½ inch standard globe stop valve - tracing, Jul. 1888.
Detail of 3 inch standard globe stop valve - tracing, Jul. 1888.
Detail of 3½ inch standard globe stop valve - tracing, Jul. 1888.
Detail of 4 inch standard globe stop valve - tracing, Jul. 1888.
Detail of 4½ inch standard globe stop valve - tracing, Jul. 1888.
Detail of 6 inch standard globe stop valve - tracing, Jul. 1888.
Detail of 7 inch standard globe stop valve - tracing, Jul. 1888.
Detail of 2 inch standard globe stop valve - tracing, Aug. 1888.
Detail of 7½ inch standard globe stop valve - tracing, Dec. 1888.
Details of 8 inch stop valve - tracing, Nov. 1889.
Details of 2½ inch standard double safety valve - copy on blueprint paper, Jan. 1889.
Details of 3 inch standard double safety valve - copy on blueprint paper, Jan. 1889.
Details of 4 inch standard double safety valve - tracing and copy on blueprint paper, Jan. 1889.
Details of 4½ inch standard double safety valve - tracing and copy on blueprint paper, Jan. 1889. |