Box containing one hundred and fifty-five loose and bound ordnance drawings:

- one report of the trials of the 100 ton gun.
- twenty-two assorted gun drawings.
- two drawings for 4.7 inch guns.
- twenty-two drawings for 4 inch guns.
- one drawing of a 6 inch pedestal mounting.
- forty-five drawings of sights for battleships.
- sixteen drawings for 16 inch 45 calibre triple mounting.
- eighteen miscellaneous gun drawings.
- twenty-eight drawings of guns for Chilean battleships.

Box label ' Assorted gun plans and fittings - Chilean battleships 3 inch, 6 inch, 100 ton gun (1876)'.