A new Annunciator has been invented by Wm. Horsfall, of New York City, who has taken measures to secure a patent. The improvement relates to the construction and arrangement of the index plates.

Not great, not terrible. But he since switched the whole board over to 12V, with an array of relays for delivering power to the appropriate annunciator. We’d love to see, and hear, this thing in ...

The ISA18 committee, Instrument Signals and Alarms, has reactivated a working group to revise ISA–18.1, Annunciator Sequences and Specifications, which was first published as an American National ...

In those days, hotel fires were rightly to be dreaded. The Southern proudly claimed to have a new "annunciator," an early heat-sensing alarm. Shortly after 1 a.m. on April 11, 1877, the first ...

Description: The PMC Lev-ALERT can provide visual or audio warnings when the fluid/water/sewage reach dangerous levels. It also provides switch outputs to control appropriate output pumps or input ...

If the very first Kentucky Derby spectators found themselves at the front gates of Churchill Downs today, they wouldn't ...

annunciator panel lenses, and more. Today, Protocase just announced the official arrival of Protomentum, a new division of Protocase that revolutionizes product development for entrepreneurs ...

Or take my e-mail annunciator. I wrote a little script that, when I have new mail that’s work related or from my wife (read: important), it displays the subject line on a VFD that I have perched ...

At the same time, ISA18 working groups are engaged in updating the following technical reports: ISA18 is also working on an update of ISA-18.1 (reaffirmed in 2004), Annunciator Sequences and ...