Holo-Electron — Blue & Cream Set
Dark blue, cream and glass: an electrical cabinet worth lingering over. A dark-blue Holo-Electron case with cream trim, original manual and a large electrode collection.

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Device description
Equipment, restoration & condition wording · captured 31 October 2026. Enquire about current availability and exact inclusions.
Original listing text ends here.
Dark blue, cream and glass: an electrical cabinet worth lingering over.
The dark-blue case and cream trim give this Holo-Electron a beautifully composed identity. Open it and that blue-and-cream relationship continues around the classic control panel, substantial handpiece and large electrode collection. It is a complete visual setting for an electrical instrument, the sort of presentation that makes you slow down and notice the individual pieces. To me, the fascination begins before anything is connected: the case already holds an invitation to explore.
There is a generous variety of glass here. The original details name roller, mushroom, comb, curved, Y-shaped, brush and globe forms, with additional fittings shown in the photographs. The 'Rayons Violets' manual accompanies the set. Adjustable intensity and a duration timer add further points of interest at the control panel. These are the specific details that give this example its own personality within the wider Holo-Electron family, rather than leaving it as a name on a box.
A collection of shapes, deliberately housed
Look across those electrode forms and the case starts to resemble a study in glassmaking as much as electrical apparatus. Rounded volumes sit alongside curves, branching shapes and the repeating teeth of a comb. The roller and brush forms introduce further differences. Each silhouette invites questions about construction and the way its maker expected it to be handled. The exact surviving pieces should always be read from this set's photographs, because a general type name never captures every individual detail.
The fitted interior gives that variety a sense of order. It lets the collector encounter the set as an ensemble rather than as a loose accumulation of components. Dark blue supplies depth; cream brings a lighter edge to the composition. The control panel and substantial wand provide the structural centre around which the more delicate pieces gather. That balance of strong forms and fragile forms is one of the enduring visual pleasures of vintage high-frequency equipment.
Time, intensity and the human hand
A duration timer and adjustable intensity tell us something important about the designer's problem: an electrical process needed controls that a person could understand. Those interfaces are worth studying as design decisions in their own right. They put time and adjustment into a visible arrangement on the instrument. Rather than an abstract list of features, they become part of the story of how this apparatus was meant to be encountered, interpreted and incorporated into its original setting.
Within the wider violet ray family, electrical oscillation and a suitable gas-filled electrode can give rise to the characteristic luminous discharge. The glass provides a visible endpoint for a process established inside the equipment. That relationship is the enduring marvel. This particular set adds its own controls and presentation to that larger story, and its manual offers a period account to read alongside the surviving instrument. Paper, panel and glass each carry a different part of the explanation.
An ensemble with room for discovery
What I love about a set with this much visual variety is that the second look can be as rewarding as the first. One visit to the photographs may be all about the case and control panel; another may centre on an unusual glass form or a detail in the manual. It has the richness of a little cabinet of electrical ideas. That richness lives in the surviving objects, the details in the photographs and the conversations they can still begin.
We can discuss the exact electrode collection, documents, current condition and demonstration directly here. If the blue-and-cream presentation is what first catches your attention, let it lead you into the engineering too. If the engineering is your starting point, give the case and glass their share of the time. This Holo-Electron rewards both kinds of looking, and the whole arrangement deserves an owner who enjoys the connection between a technical instrument and a beautifully considered object.
Condition, configuration & inclusions.
The blue-and-cream fitted interior contains the classic control panel, substantial handpiece and specialist original attachments. Features include adjustable intensity, a duration timer and the “Rayons Violets” manual. The electrode collection includes roller, mushroom, comb, curved, Y-shaped, brush and globe forms, plus additional fittings as pictured.
A working fragment of the age of electrical experimentation: coils, glass, analogue controls and visible plasma. These historical instruments are offered for collecting and research, without medical treatment claims.
Please enquire about current availability, the exact item pictured, condition and inclusions. All questions and arrangements stay here with Forgotten Frequencies.
