Also in the collection |

Notifier 34-24
Category : Notifier
This is basically just a Wheelock horn with a Notifer sticker slapped onto it.

H. R. Kirkland Indicator
Category : Other
This unit bears no model number, only the brand “H. R. Kirkland,” a company that still manufactures fire alarm system...

Simplex 4903-9101
Category : Simplex
Since this is a ceiling-mount unit, it’s model number is probably different from 4903-9101, but I couldn’t figure out what...