Admiralty departments. Papers relating to experiments with wireless telegraphy. Offices: General Post Office, 1896-1900 Unit ID: 7460. AJCP Reel No: 3426-3427 Date: 1896/1900
Admiralty: Director-General of the Medical Department, 1872 Unit ID: 6252. AJCP Reel No: 3333 Date: 1872
Admiralty: Director of Engineering and Architectural Works, 1865 Unit ID: 5939. AJCP Reel No: 3317 Date: 1865
Admiralty: Director of Engineering and Architectural Works, 1867 Unit ID: 6015. AJCP Reel No: 3321 Date: 1867