| Description | Boilers and Components and Parts of Boilers for Land Engines. (14 items).
1412. Boiler Valves and Cocks. 1836, 1838, 1839, 1847, 1869, not dated. 14 items.
Sketches of blow-out schemes - partially coloured reverse drawing, not dated [1830s?].
Sketch of slide cocks for emptying pipes of boilers - partially coloured original, partially coloured direct copy and partially coloured reverse drawings, Apr. 1836.
Slide stop cock for boilers - partially coloured drawing, Jan. 1838.
Slide stop cocks for boilers [different to the above drawing] - partially coloured original and 2 partially coloured reverse drawings, Jan. 1838.
Feed valve box - coloured drawing, Oct. 1839.
Steam stop valve for Baillie Kerr & Co. - coloured reverse drawing, Jan. 1847.
Feed valve for cylindrical boilers - partially coloured original and partially coloured reverse drawings, Nov. 1847.
"Sketches of parts of boiler apparatus" (stop valve, safety valve, blow off cock, feed valve, dmaper and frame, flue door and frame) - partially coloured drawing, Apr. 1869 [marked "tracing to Parkgate Iron Co."].
Pencil sketch of valves, weights and chains for safety valve etc., not dated. |