Simplex 4251-21L

This is the “Local Alarm” variant of the Simplex 4251-21.

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Amseco BZ-51-PC2

Amseco BZ-51-PC2

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I like the grille, or in other words, have nothing special to say about this particular unit.
EST 882-2B

EST 882-2B

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This unit has an electronic horn rather than an electromechanical mechanism.
Wheelock ET-1080-WS-24

Wheelock ET-1080-WS-24

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You can’t really tell from the pictures, but the strobe is practically falling out of this particular unit.
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