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At random: The submarine was not generally recognized as a legitimate instrument of warfare until the Civil War.
mechanical diving alarm
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freeman
Posted 2009-07-30 7:37 PM (#29191)
New on board

Posts: 1

Subject: mechanical diving alarm

I'm looking for information on the older mechanical diving alarm. This one was used on the Permit era boats in the 60's and 70's. I would like to find the electrical diagram/specs for the actuator windings, or the manufacturer.

Stamped into the metal is an F within a circle with what appears to be a lightening bolt.
crystal
Posted 2009-08-20 10:39 AM (#29872 - in reply to #29191)


Master and Commander

Posts: 2185

Location: Port Ludlow, WA (the Olympic Penninsula)
Subject: RE: mechanical diving alarm

Joe, these "older" diving alarms (a.k.a. klaxons) used a motor actuated diaphram (via a cog) for the vibration (sound) produced.  They are/were made "mostly" by Federal Signals (probably same as your logo)... They were still making them several years back for a price tag around $1,300.00 - Hope this helps answer you question...
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