1851 Great Exhibition: Official Catalogue: Class VIII.: John Tylden
275 TYLDEN, Capt. JOHN, R.Artillery, Woolwich — Maker.
Models of British ordnance;
A light 6-pounder field- piece and carriage.
A 32-pounder garrison gun, with carriage, on traversing platform.
A 10-inch howitzer, on garrison carriage.
A 13-inch sea service mortar and bed.