Real Electronic Vibrato?

The "Golden Voice" of Magnatone Amps. What is Electronic Vibrato? Who Patented the first Amp with Electronic Vibato?
Why did Fender and the other amp Makers call it Vibrato? Is it really Vibrato? Or is it just Tremolo?

Magna Archives
Tomb Of The Unknown Mystery Amps Updated 11/30/02:
New Models Added 5/20/05:
Custom 260,

Models Updated 5/17/03:
Melodier M-195-4-J,
Other Updates/Additions to the Archive:
Troubadour M192-5, Triplex Model 180, The Killer M35, Model TC-1/BVW Tone Cabinet, Unique 26R, Firestar Reverb Model 150 R, Model 432, PANaramic by Audio Guild Corp., Starlite Model 421, Starlite Model 431, Panaramic Model 96-10041, Twilighter/Troubadour Model 213, Student Model 111,

We are still looking for certain models of Magna Electronics and Estey Organ Co. made amplifiers. If you own a Magna Electronics and Estey Organ Co. made amplifier(s), that is not in the "Archive", Please send us a photo of this amp, along with all the numbers you can find i.e. speaker and transformer numbers etc. We will advertise some "FOR SALE" Magna Electronics and Estey Organ Co. made amplifier(s)