Pottinger Battery: 1 officer + 26 soldiers
3 February 1920 The Chief of Imperial General Staff, Field Marshal Sir Henry Wilson, considered that Hong Kong could resist Japanese attack for 3 months before relief from Singapore arrived.
Washington Treaty
1920/1921
1922
The Admiralty informed the Committee of Imperial Defence that it was the authority to advise the scale of attack on ports and that for Hong Kong, the "status quo applies."
Rollo, 1992, p.98
Rollo, 1992, p.101
Rollo, 1992, p.102
1924
"Devil's Peak Sheet No.3," Ordnance Survey 1904, corrected and printed at the War Office 1924, shows road access, including "roads suitable for man-handled guns" and detailed land uses in the Devil's Peak area, with boundaries of War Department lands delineated. However, the locations of batteries and the Redoubt are not shown.
PRO100(2)
1927
Aerial Photograph No. H19 15 taken by HMS Pegasus.
The Joint Overseas and Home Defence Committee review.
Rollo, 1992, p.104
1928
Steel choke caused problems to the 9.2-inch guns at Devil's Peak.
Rollo, 1992, p.105
1929
August 1930
February 1931
Chinese writer/composer, Tien Han, visited Hong Kong and was impressed by the scenic views of Lei Yue Mun, as stated in his poem "Good Bye Hong Kong."
The 12th Heavy Battery replaced the 9-inch guns with anti-choke pattern.
Rollo, 1992, p.105
The 12 Heavy Battery fired new guns at Gough Battery. "Gough Battery fired over Hong Kong Island and Repulse Bay."
Rollo, 1992, p.105
1933
Annual Review of the Defence of Ports.
Rollo, 1992, p.105
22 October 1934 The 12 Heavy Battery practised indirect shots at Pottinger Battery.
1934
A letter from the Military Operation Branch of the War Office indicated plans to modernise two 9.2-inch guns at Devil's Peak in 1936/37 with 35-degree mountings.
1936
The Hong Kong Defence Scheme
Rollo, 1992, p.107
Rollo, 1992, p.108, 109
Rollo, 1992, p.110, 112
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