Aerial view of two factory chimneys on the site of the former Tesla works, Rožnov pod Radhoštěm and the Beskid ridges beyond

Industrial landmark of the Tesla years • Rožnov pod Radhoštěm

The Tesla chimneys

Two chimneys above the former Tesla works, which changed the face of the town

The most visible reminder of Tesla Rožnov

Two factory chimneys on the western edge of Rožnov can be seen from much of the town. They belong to the site of the former Tesla Rožnov works.

After 1949 the works turned a small town of three thousand people with a spa past into an industrial one. At the height of its fame it employed around nine thousand people. The company is gone; the site and the chimneys are still standing.

The chimneys of the Tesla site rising above the treetops, seen from the meadows outside town
The chimneys rise above treetops and roofs – the landmark that shows you where the site is from far away.

What it is about

The last visible trace of Tesla

The church tower recalls the burghers' Rožnov, the chimneys the industrial one. Without Tesla the town would not look the way it does – the housing estates, schools and sports facilities grew up around the works.

Access

A working site, no entry

The site is a working fenced industrial plant. You can see the chimneys from the streets around it and from much of the town; up close they are shown by the 360° images from a drone and from the foot of the chimneys.

What to look for

Details you cannot see from the street

The galleries and ladders of the taller chimney, the brickwork of the lower one – and the caps that now cover both mouths.

The chimneys on the Tesla site - Above the site360°
DJI_0957.avifThe site from above – a chimney, tanks and cooling towersThe chimneys above the treetops – a view from the townBoth chimneys from a street inside the site; pipe bridges to the leftThe chimneys behind a hall on the site, overhead pipework crossing the streetThe pair of chimneys at full height above a building on the site

The story of Tesla Rožnov

From an unfinished textile mill to a town of vacuum tubes, picture tubes and chips

1948–1949

A textile mill that never started up

On what was then the edge of Rožnov, the textile firm ELITE was building a factory – it planned to make stockings here. In November 1948, however, the government decided to transfer the unfinished buildings to the national enterprise TESLA; a founding charter of 26 July 1949 then created Tesla Rožnov.

Building went quickly: work on the first industrial building started in January 1949, and by the end of that year production and heating were running in it. The first product to leave the factory gates, in the autumn of 1949, was a high-pressure mercury lamp for “sun lamps”.

In its first year the works employed over 1,300 people, most of them women – recruitment was still running to the original textile plan.

The pair of chimneys of the former Tesla works seen from the main road on the edge of Rožnov
The chimneys today – seen from the main road on the edge of town.
Aerial view of the chimneys above the site, a housing estate beyond
The housing estate beyond – one of those Tesla built for its employees.

1950s–1980s

The greatest revolution in 350 years

Vacuum tubes for radio sets went into production in Rožnov in 1950, and the new work at once called for technicians of its own: a technical secondary school of vacuum electronics was founded here, the famous “vakuovka”, for three decades a prestigious school of national standing.

The works grew along with electronics as a whole: from vacuum tubes through picture tubes for black-and-white television sets to germanium diodes and transistors. Then came the production of single-crystal silicon and finally integrated circuits. The last big new venture was series production of colour picture tubes under licence – the only licensed programme in the company's history.

The town grew with the works. Tesla built housing estates, schools, nurseries and sports facilities, and turned Rožnov, which had around three thousand inhabitants before it arrived, into a town five times larger. At the height of its fame it employed around nine thousand people, roughly a sixth of them university graduates.

vacuum tubes a year in 1950
2 mil.
employees at the peak
≈ 9,000
larger town than before Tesla
5×

After 1990

The end of the colossus, not of the site

After 1990, under the new conditions, the beginning of the end arrived: the industrial colossus broke up into a series of separate companies and the Tesla Rožnov name disappeared within a few years. Picture tube production, the last big programme, ended in 2008. The Tesla tradition is recalled by the exhibition “(NE)zapomenutá TESLA”, prepared for the works' 65th anniversary by Valašské muzeum v přírodě.

The site did not stay empty; dozens of companies have their base here today. The Tesla tradition is carried on by semiconductor production, one of the largest in the country.

The chimneys have remained the tallest structures on the site and, together with the church tower, make up the town's skyline. They are still a reminder of an industrial century.

A view up along both chimneys framed by the overhead pipe bridges of the site
From the foot of the chimneys: the overhead pipe bridges are part of the site's everyday infrastructure.
The chimneys close up

An unequal pair above the site

The taller chimney – “Jaroslav”

Concrete, with galleries and warning stripes

It carries red and white stripes, three galleries with railings and ladders up its shell. It is the one that shapes the town's silhouette – visible from the river, from the housing estates and from the surrounding hills. It is named after Jaroslav Hora, for many years the director of the works.

The lower chimney – “Karel”

Slender and brick-built

It stands right beside it, in bare brick, without galleries and noticeably older to look at. It hides behind its taller neighbour – you will mostly catch it on its own from the side of the site. It is named after Karel Vancl, the first director of the works.

A view straight down onto both chimneys with caps over their mouths, the heating plant, tanks and car park around them
A view only a drone gets: caps cover the mouths of both chimneys. The site's heating plant lies around them.
Both chimneys close together – the brick one in front, the striped concrete one with its gallery behind
An unequal pair: bare brick in front, concrete with warning stripes behind.
The tops of both chimneys against the sky, the ladder and gallery visible on the taller one
The tops against the sky – on the taller chimney a ladder and a gallery below the mouth.
The top of the taller chimney with its gallery and ladder from a drone, a housing estate and the Radhošť ridge beyond
The gallery below the top from a drone; the housing estate and the ridge with Radhošť behind.

Timeline

From stockings that were never knitted to chips

From the takeover of an unfinished textile mill in 1948 to the present day.

  1. 1948

    The site changes hands

    The government decides to transfer the unfinished buildings of the ELITE textile mill in Rožnov to the national enterprise TESLA. The planned textile production comes to nothing.

  2. 1949

    Tesla Rožnov and the first product

    On 26 July a founding charter establishes Tesla Rožnov. That autumn the first product leaves the factory gates – a mercury lamp for sun lamps.

  3. 1950

    Vacuum tubes

    Production of vacuum tubes for radio sets starts up; 1,400 employees make more than two million of them a year.

  4. 1951

    The “vakuovka”

    A technical secondary school of vacuum electronics is founded – for more than thirty years a prestigious school of national standing.

  5. 1950s

    Picture tubes and the first semiconductors

    Picture tubes for black-and-white television sets are added to the vacuum tubes (black-and-white production runs until 1990), and in 1956 germanium diodes and transistors.

  6. 1959

    Silicon

    The works masters the production of single-crystal silicon – the first crystals are 20 mm across. Silicon diodes and transistors follow.

  7. 1967

    Integrated circuits

    Production of integrated circuits begins – from simple analogue ones to whole families of logic circuits.

  8. 1984

    Colour picture tubes

    Series production of colour television tubes under a foreign licence – the only licensed programme in the company's history.

  9. 1990

    The beginning of the end

    Under the new social conditions the industrial enterprise starts breaking up into separate companies; the Tesla Rožnov name gradually disappears.

  10. 2008

    The end of picture tubes

    Production of colour picture tubes ends – the last big programme leading directly back to Tesla.

  11. Today

    The site lives on

    Dozens of companies are based on the site and semiconductor production carries on the tradition; the chimneys remain the tallest structures there and part of the town's skyline.

Na závěr

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Rychlá rekapitulace

What are the Tesla chimneys?

Two factory chimneys on the western edge of Rožnov – the last visible reminder of the former Tesla Rožnov works, which between 1949 and 1990 turned a town of three thousand into an industrial one with thousands of employees.

Can I walk up to the chimneys?

The site is a fenced industrial plant – there is no entry. You can see the chimneys from the streets around the site and from much of the town; up close they are shown by the 360° tour on this page – two views from a drone and one from the foot of the chimneys.

Do the chimneys still smoke?

No. Their mouths are capped today. They remain the tallest structures on the site and, with the church tower, make up the town's skyline.

What was made at Tesla Rožnov?

In turn high-pressure mercury lamps, vacuum tubes for radio sets, picture tubes for black-and-white television sets, transistors and, from 1967, integrated circuits. From 1984 also colour television tubes under licence.

What is on the site today?

Dozens of companies. The Tesla tradition is carried on by semiconductor production, one of the largest in the country.

Do the chimneys have names?

Yes – the lower one is called Karel (after the first director, Karel Vancl) and the taller one Jaroslav (after Jaroslav Hora, for many years the director). They belonged to the site's power plant.

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What was the site originally meant to produce, before Tesla got it?

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