News

Creation in noble metal of new alloys outside current standards.
2017-03-05
New alloy
Thanks to its great experience of patinas, corrosions, ancient metallurgical techniques, you can count on products with high added value, adapted to your requirements.
All the products are controlled by the Federal Office of Noble metals.
Collaboration with accredited companies according to ISO 17025 ensures precision and rigor for the treatment of precious metals by following The London Bullion Market Association, which guarantees the traceability of raw materials throughout the supply chain and production.

Science for purity Protection protocols for special alloys. Dendrites transformation. Patinas Patinas Mineralogy Metalurgy Metallography Alloys
 
 
Conservation program at the Museum of Fine Arts, Budapest.
2017-02-28
Collection of antiquities
Collection of antiquities

Museum of Fine Arts, Budapest.
 
 
Appointed:
2015-07-04
Natural History Museum of Geneva.
Vice-president of the Patrons for the Natural History Museum of Geneva.

Quit this function the 21-06-2016 at 20:14 in a difficult context ...

Tribune de Genève
 
 
Conservation program at the Museum of Fine Arts, Budapest.
2014-10-18
Collection of antiquities
Collection of antiquities

 
 
Emergency restoration before the opening ceremony.
2014-06-02
Catastrophic fracture!
Surréalisme et Arts Primitifs - Un air de famille.
Fondation Pierre Arnaud - 13 05 2014 to 5 10 2014.

Emergency restoration before the opening ceremony. Fondation Pierre Arnaud Emergency restoration before the opening ceremony.
 
 
Rotary display stands for historical coins.
2014-01-19
From watch''s standards to RDS.


Ready to accomodate ; coins - watch movements - gems - precious and delicate items with irregular forms according to museum standards.
The units are provided with calibrated lightings, unitarily integrated and bidirectionally deployed, under chromaticity coordinates narrow as ±0.01.
Registred under the Hague Agreement Concerning the International Registration of Industrial Designs the 2009-03-12.
This project will not be fully presented here, for confidentiality reasons.

Installation booth SIHH 2014 of a new development for Vacheron Constantin.

Rotary display stands for historical coins. Motorization unit for the coins rotary display. Coins rotary display. Principle for the coin lit. Showcase with rotary display stands for historical coins. Mounting and lighting Prototype.
 
 
Un patron m'a dit... de Pierre Cormon
2012-03-02
Un patron m'a dit... de Pierre Cormon
Publication N 3099 de la Fédération des Entreprises Romandes, Genève

Un patron m'a dit... de Pierre Cormon Expert Consulting Lalanne
 
 
Coordinator of : Magical Gems in their Contexts.
2012-02-16
Magical Gems in their Contexts.
Organisation of an international conference by the Collection of Antiquities of the Museum of Fine Arts in Budapest of Magical Gems in their Contexts.


With the support of
VACHERON CONSTANTIN

 
 
Technical coordinator of the Magic Gems exhibition.
2011-03-04
Exhibition of the Magic Gems
The Budapest Museum of Fine Arts organizes, for the first time in the world, a comprehensive international exhibition of the amulets, that will host pieces from the leading magical gem collections of the world (e.g.The British Museum, London; Le Cabinet des Médailles, Paris, The Kelsey Museum, Ann Arbor, Michigan).

The magic gems constitute a distinct category in the ancient glyptic, they reveal a large syncretism along centuries.

Technical coordinator of the Magic Gems exhibition.
 
 
Cycle of postponement lessons at the Metals and Ceramics laboratory of the Vatican Museums.
2011-02-18
Vatican Museums - Presentazione di una tecnica inedita di restauro su argenti.

Martedì 2011-02-15
Come un collegio di esperti internazionali viene a favore di una tecnologia inedita in condizioni di severe restrizioni di prelievi per le analisi.

Mercoledì 2011-02-16
Teoria di metallurgia - tribologia al servizio dell'idonea scelta di materiali - casi museali - alterazioni e spettrofotometria.

Giovedì 2011-02-17
Come una tecnica non conservativa può essere adottata per ragioni tecniche e strategiche - casi di arte contemporanea.

Venerdì 2011-02-18
Presentazione di una tecnica inedita di restauro su argenti.

MVSEI VATICANI
 
 
Magical Gems on Tour: Presentation of the draft exposure for the 2012 conference in Budapest.
2010-09-30
Gemmes et magie - Formation doctorale
Gemmes et magie - Formation doctorale
Université de Fribourg - Institut des Sciences de l'Antiquité et du Monde Byzantin
Magical Gems on Tour: Présentation avec Árpád M. Nagy du projet de l'exposition de 2011 au Szépművészeti Múzeum de Budapest.



 
 
Technology, Microstructure and Corrosion course.
2010-08-15
UCLA certification
Held at UCL: London, Department of Mechanical Engineering by
Professor David A. Scott.

Exchanges of competences at lunch break. Fe C alloys among others ... Cu Sn Pb alloys among others ... Course held at UCL: London, Department of Mechanical Engineering by  Professor David A. Scott. Course held at UCL: London, Department of Mechanical Engineering by  Professor David A. Scott. Course held at UCL: London, Department of Mechanical Engineering by  Professor David A. Scott.
 
 
At your service since now 20 years.
2010-03-12
CottierMetal.ch - 20years
Admission as Associated Member of the Swiss Chamber of
Technical and Scientific Forensic Experts.

Control of the sampling relevancy. Management of the shipment relevancy. Control materials. Specialist in the reading of corrosions. Specialist in the reading of corrosions. Metal cycle.
 
 
Lecture at the MetalEspaña'08 - UAM / CSIC - Madrid.
2008-04-11
Solvents extraction.
"Bronze collection shiftly contaminated by condensation and by solvents extraction". Organized under the; Universidad Autonoma de Madrid & Consejo Superior de Investigaciones científicas and with the institutional support of the ICOM Spain.

Madrid - Congreso de los Diputados. Madrid - Congreso de los Diputados. Plaza Mayor Madrid Solvents extraction. Solvents extraction. Solvents extraction.
 
 
Metal 07, ICOM-CC Metal Working Group, De Rode Hoed, Amsterdam.
2007-09-21
Tests corrosion under pyramid.
ICOM-CC (International Council of Museums, Committee for Conservation) Metal Working Group, De Rode Hoed, Amsterdam, 17-21 Septembre 2007.

We were more than 200 experts in the field of metal's conservation, gathered to exchange ideas and to discuss the latest developments in these areas. 60 papers and around 40 posters were presented.
Participants came from 29 countries.
Day 1. Where archaeometry and conservation meet.
Day 2. Use of electrochemical techniques.
Day 3. Innovative investigation of metal artefacts.
Day 4. Protection of metal artefacts.
Day 5. Study and conservation of composite artefacts.

Metal07 Amsterdam 20 Lire Italiana 1958
 
 
Rescue conservation plan for the Woodrow Wilson Memorial Celestial sphere.
2006-11-28
Armillary Sphere of the Geneva United Nations
Chosen in 1999 by the "Maecenas World Patrimony Foundation" for entirely restoring the Celestial sphere of Paul Manship at the Cour d'Honneur of the Palais des Nations, the European headquarters of the United Nations in Geneva.
A detailed safeguard report was product including; the artist's instructions - a new conception for the "very slow rotation" of the sphere - bronze corrosion and iron substructures - the regilding and the replacement of lost elements - engineer works & pool reconstruction.
Today in New York, the Foundation was mostly active in fund rising -
Christie's New York Auction # AJAW-1775.

CYGNUS LYRA & CYGNUS Presentation to Kofi A. Annan Corrosions detail. Corrosion stress ! Examination of the corrosion
 
 
Monaco - ACTE 2 - Restorations and manipulation of shade-automats.
2006-10-09
The spirit of the shade-automats
Restorations and manipulation of the collection of the shade-automats of my great-grandfather (the watchmaker Emmanuel Cottier), at the New National Museum of Monaco.
Sous le Haut Patronage de S.A.S. le Prince Albert II
Sous la Présidence de S.A.R. la Princesse de Hanovre
Avec S.E. Jean-Paul Proust, Ministre d'Etat
et Paul Masseron, Conseiller du Gouvernement pour l'Intérieur
Sous la direction de Jean-Michel Bouhours

Genève Sous la Présidence de S.A.R. la Princesse de Hanovre. The shade-automats. Restorations and manipulation Shade-automats
 
 
Demonstrations as silversmith at the Swiss national museum.
2006-08-27
SWISS MADE

Château de Prangins
With a 2006 commemorative gold coin of the 500ème of the Swiss guard of the Vatican (Swissmint).

Stages of manufacture of a silver cut. Château de Prangins
 
 
Various magazines defer my activity - Brevet N. 115479.
2006-07-21
Various magazines defer my activity.
... It is on the fifth floor of a building of the road of the Young people, just opposite the free port, that David Cottier-Angeli, restorer and expert of ancient objects, receives since years major merchants, archaeologists and collectors...
Louis Maceo®, His dream, entrust it, to offer my passion of the design, the pleasure of the matter in a set of lights for subtly...

Gold tooth brush ! Gold Leaf Gilding. Piccolo Museo - Sessa - Malcantone Corriere del Ticino 20 July 2006 Costa di Sessa in the Malcantone Various creations.
 
 
City of Carouge - GENEVE
2006-06-27
Place du Temple
Sculptures of James Vibert 1904. Place du Temple et Place du Marché.

Place du Marché Place du Temple
 
 
Calice of Belmont-sur-Lausanne, Vaud, Switzerland.
2005-06-17
Calice de Belmont
Restoration of the Chalice which had broken during its use at the Church of Belmont. This restoration able us to begin a research on the process of manufacture which then led to asses the historical context of the chalice and by the following publication: Carl Magnusson, David Cottier-Angeli et Bertrand Duboscq, Le Calice de Belmont-sur-Lausanne. Zeitschrift für Schweizerische Archäologie und Kunstgeschichte, Band 62, 2005, Heft 1/05.

Discovering the extent of damages.
 
 
Molecular structure self dislocate!
2004-09-22
Molecular structures
Announcement: Following fare too many requests, I must recall, that any alloy with some copper content (including silverware) SHOULD NEVER be cleaned with ammonia.

Conservation of artifacts subjected to fires.



Fire disaster intervention. Fire disaster intervention. Molecular structure self dislocate !
 
 
Fabrication of the cross of the Cardinal COTTIER
2003-10-21
Fabrication of the cross of the Card. COTTIER
The cross of the Cardinal Georges Marie Martin COTTIER, O.P. The Pope Jean Paul II proclaimed Tuesday, October 21, 31 new cardinals during a ceremony on the place San Pietro in Rome. The Genevois Georges Cottier (sun of Louis), theologist of the Pontifical House, is now part of the new "Princes of the Church".

Tabernacle made for the theologist of the Pontifical House. Tabernacle made for the theologist of the Pontifical House. Cardinal COTTIER
 
 
Chaux-De-Fonds, Neuchâtel, Switzerland.
2000-12-20
Griffon
Mandated by the municipality to prepare the restoration of the "Grande Fontaine" on avenue Léopold Robert, installed in 1888 with the arrival of tap water downtown of la Chaux-De-Fonds. Later, the project was abandoned for political and economical reasons.

Panorama Infiltrations Dilatation Gorgon Logo CdF 1888 Dramatic fractures !
 
 
Restoration of patinas in the open air.
1999-10-25
Max Ernst; Génie de la bastille sur colonne.
Max Ernst; Capricorne et Génie de la bastille sur colonne.
Henry Moore; Reclining Figure - Mother & Child.

Max Ernst; Capricorne. Max Ernst; Capricorne. Max Ernst; Capricorne. Max Ernst; Capricorne. Henry Moore; Mother & Child. Henry Moore; Mother & Child.
 
 
Lecturer at University of Applied Sciences - Ecole des Arts Décoratifs, Genève.
1999-05-05
Dentrites Grains
➢ Cours intitulé, Techniques des métallurgies antiques.
➢ Enseignement des règles principales de la métallurgie.
➢ Bases pour la conception d'alliages atypiques.

 
 
CottierMetal in Budapest
1998-04-25
Marcus Aurelius
Official opening of the Conservation Laboratory at the National Museum of Fine Arts in Budapest with the presence of the Hungarian and Swiss Authorities, (The president A. Gönzc, the Education and Culture Minister B. Magyar, Monsieur l'Ambassadeur C. Caratsch, SECO and representative of Geneva donors, The President of the Hellas et Roma association Monsieur O. Reverdin and fifteen members). At this occasion, the Hungarian Authority and the director of the Fine Arts Museum, Mr. Mojzer, expressed they strong recognition to the Swiss Confederation and to the Geneva donors. The event had been widely diffused by the Hungarian medias.

Official opening of the Conservation Laboratory. The Hungarian president A. Gönzc. Official opening of the Conservation Laboratory. Marcus Aurelius Marcus Aurelius
 
 
Opening of a new and full service of metallurgical investigation.
1992-02-14
Metallurgical investigation
Metallurgical examinations including study of corrosion penetration, assist questions relative to authenticity, evaluate the extent of restoration and determining any methods of manufacture.

Gilding on a silver object. Extraction of chlorides. GildingGilding on a bronze object.
 
 
Opening of the workshop in Geneva.
1990-05-07
Before and after.


Etruscan gold granulation Prix Irène Meynieux 1994 Typical copper corrosion. PRO CULTURA HUNGARICA Welcome to the new old world!
 
 
Archaeological excavation and smelting.
1989-10-01
Wadi Amram, Site 38.
Excavation in a PreRoman copper mine - Timna.

A large size bronze smelting - Murlo.

Large size bronze smelting. Details of manufacture