Scope of work: restoration, lighting manufacturing, forging of other objects

Used materials: brass, glass, linden wood, tin composition


Interesting fact:

Shortly before the final approval, the investor made an additional order of 90 new lights. Later in the evening, glass and metal stamping folds were designed. On Tuesday glass ornaments were blown, brass covers were manufactured, and electronic wiring was assembled.


The following Friday, one car brought glass screens from Košťany, another delivered polished and painted brass parts and the third brought interior constructions with fluorescent lights. Without any previous testing, everything fell perfectly into place and all of the client’s expectations were fulfilled.


The lighting in The Rudolfinum was the first large order for the newly established company BOS, which brought it to the top amongst other lighting manufacturers in what was then Czechoslovakia. One of the reasons why our company was offered the order in the first place, was the fact that the only approached company was Lustry Kamenický Šenov, whose representatives unfortunately arrived late to the meeting at the Ministry of Culture and by that time all the work had already been divided.

Reconstruction design: Ing. arch. Karel Prager

The Žofín Palace is a Neo-Renaissance building situated on Slovanský ostrov (Slavonic island) in Prague. The name of the palace refers to Princess Sophie of Bavaria. It is protected as a cultural monument of the Czech Republic. 


Scope of work: restoration of all lighting fixtures and objects of artistic and craft character, manufacturing copies of lights, radiator grilles and other objects for both the interior and exterior.


Interesting fact:

We took over the most beautiful chandeliers in Prague in bad condition; unprofessionally disassembled, their individual parts were thrown into wooden crates, which were only lined with newspaper and without any documentation of the previous state. In addition to other work, we spent 18 months professionally refurbishing the parts of the chandeliers. Before the final assembly, we created three piles in the basement of the Žofín Palace and then began assembling the large chandeliers. However, at the end of the assembling process we were left with three large brass lions with the Prague emblem, without knowing where they belong. We began searching through all of the available archived material, and it wasn’t until seeing the film about Antonín Dvořák that we discovered a short clip where we got a glimpse at the central chandelier on top of which the lions were sitting. This breakneck journey had led to success, as the chandeliers have been shining without any complaints since 1994.


According to the original samples, the glass for all the lights was to be made of opaline, which was no longer commonly produced at the time. So, at four o’clock in the morning, in the now defunct Košťany glassworks, the metallurgist and I worked with pans of molten glass (the opaline did not come out well) trying to figure out what to create from it. But with a bit of luck an inspiring muse always appears and so, a pale blue enamel was blown into the already prepared molds and was covered with a faint layer of opal. 

Reconstruction design: Ing. Arch. Tomáš Šantavý

A jewel of European Art Nouveau and a matter of heart and soul for our company.

  1. 1992 – remanufacturing and the completion of missing parts of the entrance awning including the light carriers
  2. 1993 – manufacturing of the exterior lighting according to the original Křižík lantern from the Prague Powder Tower
  3. 1994 – 1997 – a complete reconstruction and restoration to its initial state
  4. 1998 – manufacturing of the ceiling lamp of the “Český klub”


Scope of work: restoration and manufacture of lighting, grilles, fittings and other elements in the following parts of the building:


  • Basement: Pilsen restaurant – American bar – Wine cellar
  • Ground floor: Smetana Hall – French restaurant – Café 
  • I. floor: Mayor’s Hall – Rieger Hall – Grégr Hall – Palacký Hall – Sladkovský Hall – Confectionary – Oriental Parlour – Moravian Slovak Parlour – Božena Němcová Parlour
  • II. floor: Exhibition rooms
  • The entrance, hallways, staircase and other spaces in the whole building


Interesting fact: 

The majority of the lights were restored according to the original photographs, which have been preserved in the Štenc archive. By then already forgotten technologies were used once again, such as manufacturing light bulbs according to the original shape from the Philips company in laboratory conditions, in the now defunct company Tesla Lenešice. 

In recent years, with the purpose for easier cleaning and maintaining of the light fixtures, the original cut glass pendants have been replaced by frosted sheet glass and thus, the light fixtures have lost their Art Nouveau beauty, sparkle and sheen. To ensure the original appearance, this meant supplying approximately 7 000 glass trimming bars in 12 variations and 37 000 pieces of cut trimmings in 20 variations. All of this was replicated according to patterns from the first realizations of the original companies: Křižík, Frant Anýž, Suda – Kotěšovec and more. 

Reconstruction design: Association of Architects for the Reconstruction of the Municipal House


Scope of work: 


  1. Manufacturing of modern lighting fixtures, fireplace grilles, brass fittings and other elements.
  2. Manufacturing of copies of the missing lighting fixtures, fittings, decorative pieces and the restoration of all objects of artistic and craft character in the palace.

Interesting fact:

Our first job in this palace was the restoration of the equipment in the Prague Salon and its adjoining premises. This was financed by the PRAGOKONCERT and was done according to the design of architect Karel Císař.

We also made alterations in the office of the then Minister of Culture, Pavel Dostál. 

The second phase was the complete reconstruction for the new Ministry of Culture. All of the lighting fixtures were taken down and brought to our workshop for complete restoration according to the original photographs. 


The dismantling of the designated objects was done while the Embassy of the Netherlands was still partially operating, and everything went perfectly well. The complete reconstruction was carried out by METROSTAV according to the design of architect Pavel Kupka’s studio.


Scope of work: refurbishment and manufacturing of lighting fixtures, grilles and other objects of artistic and craft character in the Municipal Hall, Old Council Hall, the Brožík Assembly Hall and the George Hall. Also in the main entrance, exhibition halls, ground floor and other areas.


Interesting fact:

Three pieces of the chandeliers and a number of wall lamps for the Municipal Hall were completed at an earlier deadline, requested by the investor, in our workshops at 8 p.m. After the chandeliers were transferred to Prague, they were assembled and already lit at 2 a.m., and at 8 a.m. a flawless approval followed.

Only a few people that already knew us, believed we would reach this impossible deadline.

Design of the lighting fixtures: Karel Švásta

Scope of work: atypical chandeliers, wall lamps and other items.

Interesting fact: 

The investor wished for the lighting fixtures to be made of natural gypsum, so a business trip to the East Coast of Spain to gypsum suppliers followed. The requested diameter of the chandeliers was 1 m, and no one had ever seen such a large piece of stone in one piece from which we could produce the lampshade. So, we had to come up with a new solution and even though the Czech Republic is considered to be a glasswork superpower, there was no other way, but to bring the patterned glasswork from the USA and adjust it to the desired shape.


The final result is very much worth it. 

Design of the lighting fixtures: Ing. Arch. Kateřina Doušová

On its long journey, the building of the National Theatre went through many periods of partial or complete repairs and reconstructions, some of which were not always successful.

Scope of work: 

  1. Restoration of the central chandelier
  2. Remanufacturing of exterior pendant lights
  3. Manufacturing forged wall lanterns 

Interesting fact:

Our company BOS Mladá Boleslav was approached in 2005 by the management of the National Theatre for the restoration of the central chandelier. 

One of the many demands was to remove the clinking of the chandelier parts when trams pass around the theatre building. One issue was the very short threads of the light bulb sockets, which remained from past repairments. When the metal crafting was completed, the chandelier’s electrical installation was replaced, including the high-current control wiring and finally, the chandelier was plated with gold.

The majority of the work was done in the space of the theatre and our workshops.

During the subsequent repair of the facade, we remanufactured the exterior pendant lights. We worked with details from the lighting fixtures of the Prague National Museum for the manufacturing of the forged exterior lanterns, while respecting the requirements of the Monument Care Department.


Scope of work: production of the central chandelier, wall lamps and other elements. Remanufacturing of the original lighting fixtures and objects of artistic and craft character.

Interesting fact:

The management of the theatre decided to ask for funds from volunteers for the production of the large auditorium chandelier. Therefore, we decided to make an extra glass pendant for every person who contributed any amount of money, so they would become partial owners of this large lighting fixture. 

An interesting fact about the lighting fixture design: Karel Řepa was a Czech architect, and especially the author of a number of functionalist buildings in the Pardubice region. His son Ing. Arch. Miroslav Řepa realized the entire design for the theatre in Pardubice.

This early Gothic church, more often referred to as a cathedral, dates back to the middle of the 13th century during the reign of Ottokar II of Bohemia. Following the fire in the cathedral, the reconstruction was led by Petr Parléř himself, simultaneously with the construction of the St. Vitus Cathedral in Prague taking place.

Scope of work: manufacturing of atypical chandeliers, wall lamps for illuminating wood carvings of the Way of the Cross and other elements.

Interesting fact:

According to the request, the lighting fixtures were meant to be quite simple as not to overshadow the interior design of the cathedral and in any way distract the visitors from its beautiful details. A crown of chandelier arms was made for the already existing candelabra of the floor lamps.

Design of the lighting fixtures: Karel Švásta

The Neo-Gothic castle served as the residence for the French Rohan family. You may also know it from many Czech films. The rooms in the castle are furnished with the original furniture and many of the rooms stand out due to their detailed wood carvings.

Scope of work: manufacturing of atypical chandeliers and Dutch chandeliers, wall lamps and other items.

The work began with the design and subsequent production of a unique brass chandelier and then several Dutch classic chandeliers with a balance ball. This was followed by more designs of other historical objects. Finally, everything was assembled, tested and continues to perfectly function to this day.

Design of the lighting fixtures: Karel Švásta