Also in the collection |

Simplex 4904-9139
Category : Simplex
I believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
United Security Products FHS-24
Category : United Security Products
A blatant Wheelock 7002T knockoff if I’ve ever seen one, but to their credit, they did rotate the strobe 90...

Amseco MSB-10B-PV4
Category : Amseco
This bell is specifically meant to be used in a fire alarm system.