Also in the collection |

Therm-L-Stat DI-135
Category : Other
This heat detector is very small compared to a lot of the other ones that I have.

Siemens SE-MC-W
Category : Siemens
A Speaker/Strobe, manufactured by Wheelock and rebranded by Siemens.

SET Standpipe Pressure Signal
Category : Other
I got this in a lot with a lot of antique coded pulls and just decided to hold onto it.