| Description | General Boat Engine Drawings (5 items).
1280j. Parts of 20 Horse Power Oscillating Engines (not adopted). Apr. 1842. 5 items.
Parts of 20 horse power oscillating engines, with 26¾ inch cylinders.
Cylinder etc. (2 drawings), slide valve (2 drawings), scheme for lower nozzle - coloured reverse drawings made in the London office. All the drawings have been crossed out or marked "not adopted", and marked with references to other drawings. |