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The curated collection / 21 chapters

Extraordinary engineering.
True human stories.

Only memorable and evidenced projects. Explore exceptional laboratories, medicine, science and the measurement pioneers.

The first steps of nuclear research1 MeV
1951 · Prague-Hostivař, Czechoslovakia

The accelerator in the film-studio mill

A 1 MeV machine arrived in post-war Prague — and took time to tame.

One primary sourceRead story ↗
CERN · the unseen first step520 / 750 kV
1958–1978 · Meyrin, Switzerland

Before a proton became a physics experiment

Long before the spectacular collisions, a precise high-voltage source had to set the beam in motion.

Multiple corroborating documentsRead story ↗
Toulouse · electron microscopy1,5 MV
1965 · Toulouse, France

To see something tiny, build something enormous

A 1.5 MV high-voltage supply gave an electron microscope an extraordinary source of stability.

One primary sourceRead story ↗
KARIN · cancer research14 MeV
1976–1995 · Heidelberg · Zurich · Münster

When high voltage entered the treatment room

The same engineering expertise that tests insulation also supported experimental neutron therapy.

Multiple corroborating documentsRead story ↗
Lausanne · fusion research5×10¹² n/s
1983–1986 · EPFL Lausanne, Switzerland

A neutron source with two lives

Equipment rooted in cancer treatment found a second role in experiments for future fusion reactors.

Multiple corroborating documentsRead story ↗
Field testing · cable networks440 kV
1996 · Netherlands and north-western Europe

A high-voltage laboratory on the move

A 440 kV resonant test system took demanding electrical tests to the cable instead of the reverse.

One primary sourceRead story ↗
Japan · large laboratory infrastructure6 MV / 600 kJ
1992 · Kawasaki, Japan

Six million volts in Kawasaki

A Japanese operator and a distributor trace a 6 MV impulse test system through two complementary records.

Multiple corroborating documentsRead story ↗
Brazil · 6.4 MV6,4 MV / 640 kJ
2007 · Nova Iguaçu, Brazil

Engineering for a continental-scale power system

A 6.4 MV impulse generator helped give CEPEL the scale to test ultra-high-voltage infrastructure.

Multiple corroborating documentsRead story ↗
Uppsala · laboratory physics1 MV / 50 kJ
2008 · Uppsala, Sweden

X-rays from an artificial lightning bolt

A million-volt generator became a way to investigate radiation produced by electrical sparks.

One primary sourceRead story ↗
South Africa · 4.8 MV4,8 MV / 360 kJ
2024 · Olifantsfontein, South Africa

A giant machine, seen through a repair request

Sometimes a machine reveals its history not in a launch announcement, but in a tender decades later.

Multiple corroborating documentsRead story ↗
Switzerland · modular high voltage1,8 MV / 180 kJ
2023 · Niedergösgen, Switzerland

A generator that changes with the question

FKH’s 1.8 MV system documents the difference between a full design rating and its everyday configuration.

Multiple corroborating documentsRead story ↗
Dortmund · the energy transition4 MV
2020 · Dortmund, Germany

A sixteen-ton machine for tomorrow’s grid

A custom Marx generator brings extraordinary transient voltages into a university HVDC laboratory.

Multiple corroborating documentsRead story ↗
Oviedo · an unexpected laboratory400 kV / 20 kJ
2022 · Gijón, Spain

Can electricity crack a rock?

A HAEFELY impulse generator helped researchers investigate electric-pulse fragmentation of minerals.

One primary sourceRead story ↗
Ownership · from Basel to global groups1989 · 1993 · 2019
1989–2019 · Basel, Switzerland

One century, several owners, many different businesses

The company name survived ownership transitions that did not always involve the same corporate assets.

Multiple corroborating documentsRead story ↗
Basel · industrial memory3 digitalizované listy
1960–1962 · Basel, Switzerland

A factory photographed — and a city changing around it

Seven archival photographs were catalogued; only part of that visual record is accessible online.

Multiple corroborating documentsRead story ↗
Fermilab · US particle physics−750 kV DC
1970–2012 · Batavia, Illinois, USA

A Swiss name in an American accelerator manual

For decades, a −750 kV source carried a recognisable name inside Fermilab’s injector system.

Multiple corroborating documentsRead story ↗
TETTEX · from an unlikely beginning1945
1945 onward · Zurich, Switzerland

The textiles hidden inside a precision-instrument name

“Technische Artikel und Textilien” turned out to be a lasting name in electrical measurement.

One primary sourceRead story ↗
Partial discharge · the DDX family4 branches
1960s–today · International

Four ways to hear a microscopic spark

Robinson, TETTEX, HAEFELY and HIPOTRONICS brought different experience to detecting tiny insulation defects.

Multiple corroborating documentsRead story ↗
High-voltage diagnostics · the quiet inventions3 lineages
1960s–today · Switzerland and worldwide

Three instrument families, one long pursuit of accuracy

Impulse analysis, dielectric-loss measurement and partial-discharge detection tell three parallel technology stories.

Multiple corroborating documentsRead story ↗
CRIEPI · Japan2.6 MV / 260 kJ
2008 · Japan

An impulse generator prepared for the weather

A 2.6 MV machine came with a climate-protected design and an unusual way to move.

One primary sourceRead story ↗
KTR · Republic of KoreaDDX 7000 · TETTEX 2840
Active public equipment inventory · Republic of Korea

A Korean laboratory where brand history is still visible

One equipment list records Robinson and TETTEX instruments side by side.

One primary sourceRead story ↗