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At random: The USS SKIPJACK was the first submarine designed from the keel up for top underwater performance using nuclear power. An earlier SKIPJACK was the first U.S. submarine to cross the Atlantic ocean under her own power (Newport, Rhode Island to Ponta Delgada, Azores, in 1917).

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freeman

Posted 2009-07-30 7:37 PM (#29191)

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: 2191

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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