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Symposium on Precious Metal Skills

Symposium on Precious Metal Skills

When: Tuesday 25 July 2023, 10am to 3.30pm
Where: Somerset House, The Strand, London WC2R 1LA
Cost: Entry to this event is free and refreshments will be provided.

Heritage Crafts and the The Royal Mint are bringing together expert practitioners in precious metal crafts from a broad industry base to Somerset House to create a consensus across the industry of what is required to support at-risk skills.

The symposium will aim to raise awareness and drive support for at-risk skills within precious metal crafts such as gold and silversmithing, medal making, metal thread manufacture, gilding, hand engraving and many others.

The day is supported by the Royal Mint and The Pilgrim Trust and will be opened with a keynote address from Anne Jessopp, CEO of The Royal Mint. The remainder of the day will include talks from practitioners, a panel discussion and breakout discussions on issues affecting skills transmission.

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Orrery making

The HCA Red List of Endangered Crafts


Orrery making


The making of orreries, mechanical solar system models that have been made for centuries as teaching aids.


Status Critically endangered
Craft category Instruments
Historic area of significance London
Area currently practised Norfolk, Essex
Origin in the UK 16th century
Current no. of professionals (main income) 1
Current no. of professionals (sideline to main income)
Current no. of trainees 0
Current total no. serious amateur makers
Current total no. of leisure makers
2 estimated
Minimum no. of craftspeople required



Orreries were first made as teaching aids to explain how the solar system worked. One of the first known orreries is the Antikythera mechanism, dated between 150 and 100 BC and discovered in 1900 in a wreck off the Greek island of Antikythera. It shows the the diurnal motions of the Sun, Moon, and the five planets known at the time.

Clock makers George Graham and Thomas Tompion built what is considered the first modern orrery around 1704. Modern orreries are still used as teaching aids, but are increasingly collected as artworks. Modern orrery makers push the boundaries of the traditional orrery model to incorporate an orbiting moon.



The manufacture of orreries requires a high level of mechanical engineering techniques, woodworking and mathematical skills, and a good sense of design.


Local forms




Allied crafts:

  • Horology


Issues affecting the viability of the craft

  • There is a worldwide demand for top quality orreries, but the problem that a lot of makers face is the high level of skill required to make a quality orrery, plus the mathematics involved.
  • Most existing practitioners are past retirement age
  • No recognised training programme
  • No full or part-time courses (see below in ‘initiatives))
  • No instructional publications


Support organisations



Craftspeople currently known

  • Staines & Son – Derek Staines now works part time in the business, while son Tim works full time.
  • Orreries UK, Essex – Peter Grimwood, now on a part-time basis
  • Ted Goode – part-time maker


Other information

Last year at West Dean Peter Grimwood ran a 1-day orrerymaking course, and they were exploring the practicalities of an in depth training course of four three-day sessions extending over a few months. This all stopped when COVID 19 became an issue.



There is nothing published on the craft of orrery making. There are a few books on individual orreries, and Henry King’s 1978 Geared to the Stars is a comprehensive review of the historical development of orreries.

Peter Grimwood has started to write a book on Orrerymaking. Here is an extract from the rear cover dustjacket …This book tells you what orreries are, what they do, how to design them, how to make them and how to do this as a business.