13-inch mortar, Fort Nelson                
1st Orkney Volunteer Artillery - 1902                
6-inch BL at Fort Westmoreland, Cork Ireland                
7-inch RBL, Fort Nelson                
Fort Bovisand, Plymouth                
Fort Horsted, Chatham                
Antrim Militia Artillery carrying out gun drill at Carrick Fergus Castle                
Building of the Verne Citadel, Portland - Illustrated Times 1862                
Magazine sign, Synewood Battery, IoW                
Sligo Militia at Verne Quarry HA Battery, Portland August 1900                

Links to Gazetteer web sites including Victorian Forts

www.derelictplaces.co.uk
A site that wishes to document military, industrial and historical places before they disappear entirely. The reports are as good as the research done by the author.
www.ecastles.co.uk/index.html Castles and Fortifications of England and Wales. There is a separate index for Forts. Maps, pictures and brief information.
www.subterraneanhistory.co.uk

Subterranean History: Forts, Bunkers, Coastal Defence Batteries, Air Raid Shelters, Mines and anything else underground. Mainly the South of England. Mainly pictures with brief information.

www.undergroundkent.co.uk/index.html

Web site dedicated to underground structures, mainly those in Kent and those of a military origin, inclues many Victorian forts.

www.victorianforts.co.uk

A website dedicated to the study of Victorian Forts and Batteries with associated artillery. Was the www.palmerstonforts.org.uk web site up until June 2011.

en.wikipedia.org/wiki/Palmerston_forts

The multilingual encyclopea that is produced by vast numbers of voluntry contributers. However, this is the nearest to a central index, which only covers the British Isles, and is incomplete.