Mystery lava wave machine

Was hoping someone might be able to identify this old lava wave machine.
Most of the ones I've seen have cam action bases, black bases and vessel caps and are smaller.
Mine has silver base and caps (22" long) with two pistons going up and down to move the vessel back and forth. There are absolutely no markings on it.
Any help would be appreciated!
Thanks!

Pics and links to pics attached.

IMG_3059.JPG

IMG_3064.JPG

Attachments:

IMG_3059.JPG, 2 MB
IMG_3062.JPG, 2.1 MB
IMG_3064.JPG, 2.2 MB

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Permalink Reply by Mike on November 3, 2015 at 4:43pm

That is awesome! I could not locate any such images on eBay searches. How did you find them?

P.S. Another opinion was that they were from Sharper Image (which, I suppose could have carried them).

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Permalink Reply by Dr. WHAT?! on November 4, 2015 at 8:14am

I think these were a off brand of wave machine back in the late 80's early 90's. They sold them at Service Merchandise if I remember correctly, the only one I've ever seen is one that Jim's has. These are pretty large in size much bigger then the normal wave machine maybe a tad smaller them the Pacific wave machine.