simonbeans wrote:Those are Scott Hydro pacs. Diving heyday was mid to late 1950s.
^^USdiver wrote:......I'll have to check out "Don't Give Up the Ship", maybe invite some Frenchies over to the house, they appreciate the finer things in life, like AquaLungs, wine and Jerry Lewis.
Jerry Lewis super cool been looking for that movie for along timeCAP2ND1961 wrote:Thanks for all the info gang! Very informative to say the least. I love seeing all the old movies with diving sequences in them. Does anyone know what type of equipment they used in Disney's 20,000 leagues under the sea? Seems like a modified hard hat with scuba tank hidden in a back pack to me.
Also, gravity tends to help the air move down toward the tank valve.antique diver wrote:The tradition of valves down continues in the SCBA industry because of ease of reaching valve.
On the Hydropac first stage there is also a reserve knob that rotates, and would be more difficult to reach and operate with valve up. They were available as early as 54-55, but not sure how much longer they were sold. Very nicely made.
Diving with one takes a little additional care to prevent valve and first stage damage when putting on and off since we are used to having a solid tank bottom to rest our SCUBA rigs on. Best donned with someone holding it while you slip into the harness, or using the over-the-head method. This may be the first domestic SCUBA set to use a purge button on the demand stage, but not sure about that. Pushing it while in use actually helps me clear my ears.
georgeaustin wrote: Also, gravity tends to help the air move down toward the tank valve.
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