| Description | Boilers and Components and Parts of Boilers for Land Engines. (5 items).
1410. Damper and Feed Apparatus. 1802, 1810, 1811. 5 items.
Feed apparatus and damper regulator for engines of various stroke lengths - coloured drawing, Dec. 1802 [copy made in 1827], with part of the original [?].
Damper and feed apparatus "for all sizes" -original and partially coloured reverse drawings, Aug. 1810.
Sketch of general order for damper pipes, Jan. 1811. |