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Edwards 281B

Category : EST/Edwards

This is a 135F fixed temp and rate of rise heat detector.

Brand EST/Edwards
Model 281B
Manufacturer Edwards
Type Heat Detector

Also in the collection

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EST 757S2-15PS

Category : EST/Edwards

Another duplicate device.

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Category : Space Age Electronics

That is an electromechanical horn on the rear of the strobe plate.

Simplex 2901-9838

Simplex 2901-9838

Category : Simplex

I’m not sure why I’ve held on to so many of these horns.

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