| Description | General Boat Engine Drawings (12 items).
1280m. 66 inch Cylinders with 3 foot strokes. Nov. 1851. 12 items.
Air pump gland - original drawing with direct copy; cylinder and slide valve - coloured drawing (this drawing notes that these cylinders were for 150 horse engines); section of cylinder and nozzle, sketch of cross bar and guide - partially coloured original and partially coloured direct copy drawings; headstock, air pump - partially coloured drawings; slide packaging - coloured original and coloured direct copy; base plate - partially coloured drawing. All the drawings were made in the London office. |