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  • 3 weeks later...
On 1/15/2018 at 18:16, ThornGamma6 said:

Yeah I'm trying to keep my soon to be old shorrock system going lol

The Old Metal Shorrock boxes were around in the 70s, they had a Yale lock on them for access, (all the same key) with a Friedland Bell inside, and a G1470 12v battery (I think) for the SAB module, they were metalic blue, later ones were just navy blue, then a lighter blue.

They were very strong, inside with a metal bar over the bell which the lock operated into. Sadly they were rust buckets, so never lasted long, so doubt any are around now, unless fitted in a sheltered position.

  • 1 month later...
On 06/02/2018 at 12:25, ultrasonic said:

The Old Metal Shorrock boxes were around in the 70s, they had a Yale lock on them for access, (all the same key) with a Friedland Bell inside, and a G1470 12v battery (I think) for the SAB module, they were metalic blue, later ones were just navy blue, then a lighter blue.

They were very strong, inside with a metal bar over the bell which the lock operated into. Sadly they were rust buckets, so never lasted long, so doubt any are around now, unless fitted in a sheltered position.

The yale lock was to silence the alarm.

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