visited with a non-member without whom this one wouldn't have happened
I first looked at these a few years back and was kicking myself that I had missed them, the moment when I checked the last door, realised I had missed the boat and there was realistically no chance of anyone opening them up for a future visit I had succumed to the fact that I was never going to see them
fast forward roughly three years and the site was mentioned to me as a possibility, I quickly brushed aside the idea as a no chancer as the builders had done such a good job of closing them up. A couple of weeks later and, with nothing better to do we headed down there one night for a look, bingo a possible entrance became apparent 
built in 1939 to protect the cable manufactoring employees these tunnels are in very good condition, apart from the paint depicting the post war use there is little in the way of graffittti, the positions are clearly laid out in the form of six numbered tunnels with various lettered sections, each position has it's own number to avoid confusion when the employees were locating their seat, air and lighting were presumably provided by means of a generator and ducted supply air systems, most of which still exsists as do a number of original elson lavatories
more history can be found here: http://www.discovergravesham.co.uk/business-industry/aei-henley.html
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I first looked at these a few years back and was kicking myself that I had missed them, the moment when I checked the last door, realised I had missed the boat and there was realistically no chance of anyone opening them up for a future visit I had succumed to the fact that I was never going to see them
fast forward roughly three years and the site was mentioned to me as a possibility, I quickly brushed aside the idea as a no chancer as the builders had done such a good job of closing them up. A couple of weeks later and, with nothing better to do we headed down there one night for a look, bingo a possible entrance became apparent built in 1939 to protect the cable manufactoring employees these tunnels are in very good condition, apart from the paint depicting the post war use there is little in the way of graffittti, the positions are clearly laid out in the form of six numbered tunnels with various lettered sections, each position has it's own number to avoid confusion when the employees were locating their seat, air and lighting were presumably provided by means of a generator and ducted supply air systems, most of which still exsists as do a number of original elson lavatories
more history can be found here: http://www.discovergravesham.co.uk/business-industry/aei-henley.html
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