Timeballs and the Synchronisation of Clocks in mid-Victorian Liverpool

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Victoria Tower, Salisbury Dock

Source: left, A. Jarvis, Liverpool Central Docks, 1991;

right, Mersey Gateway website

ENC Prog 11-14 - Royal Institute of Navigation

ENC Prog 11-15 - Royal Institute of Navigation

ENC Prog 10-02 - Royal Institute of Navigation

Mark Batin RIN General Aviation Navigation Group GANG

Orientation & Navigation - Royal Institute of Navigation

VFR Guide - Royal Institute of Navigation

NAV 10 The Navigation Conference & Exhibition Delegate ...

Fairway 30 - Royal Institute of Navigation

Location and Navigation Air Cdre Norman Bonnor

Victoria Tower, Salisbury Dock Source: left, A. Jarvis, Liverpool Central Docks, 1991; right, Mersey Gateway website

Inventions shown by The British & Irish Magnetic Telegraph Co. International Exhibition 1862, South Kensington Source: Records of the British and Irish Magnetic Co. TGF 1/4, BT Archives

Page 1 and 2: 22/2/2012, After Longitude Symposiu
Page 3 and 4: John Hartnup and the Liverpool Obse
Page 5 and 6: Timeball on the ETC’s Liverpool O
Page 7: Patent, Jones’s method Source: RG
Page 11 and 12: R. L. Jones and the Public Clock (B

Timeballs and the Synchronisation of Clocks in mid-Victorian Liverpool

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