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As I say I'm going to guess.

 

So, I'm going to start off by guessing 'Surrey Digital Lock Systems (1978) Ltd.'

 

Quizmaster, am I right or wrong.

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

21 minutes ago, datadiffusion said:

 

back then including the 5 digit ones that were like 5 typewriter keys in a row, no numbers, in a folded metal case to hide your finger movements.

 

Replaced one about 3months ago made by BSB

BSB Keypad.jpg

www.nova-security.co.uk

www.nsiapproved.co.uk

No PMs please unless i know you or you are using this board with your proper name.

17 minutes ago, Nova-Security said:

 

Replaced one about 3months ago made by BSB

BSB Keypad.jpg

 

Like that but I remember finding the website at the time and def. wasn't BSB...

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

  • 8 months later...
  • 10 months later...

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