Scientific Instruments

A rare Georgian brass microscope by Edinburgh maker John Clark will join an important Dutch collection after its sale in the Cotswolds.

An astronomical compendium sold at Rehm (22% buyer’s premium) in Augsburg contained everything that a 16th or 17th scholar of the heavens needed for observations.

A George II silver pocket microscope made by John Clark of Edinburgh c.1750 sold for £34,000 as part of the  sale of items from the library of Enlightenment era Scottish mathematician James Stirling (1692-1770).

By the 15th century the mechanical clock age had dawned but time had not entirely been called yet on the sundial.

An unusual, possibly unique stereo viewer from the last decade of the 19th century attracted numerous bids at Auction Team Breker (21.8% buyer’s premium) in Cologne.

The Gunter rule was designed to help with the mathematical calculations necessary in navigation.

Sword linked to former emperor is one of the highlights at London sale held by maritime specialist

Some ‘prisoner of war’ productions are now thought to have been made by skilled craftsmen

Among the more extraordinary forms of French furniture is the ‘machine pneumatique’ – a device used in the Age of Enlightenment to demonstrate the mysterious properties of the vacuum or ‘the energy of the nothingness’.

One of the highlights of the March 22 sale at Auction Team Breker in Cologne is a pioneering mid-19th century calculating machine.

A stand-out lot of Bellmans’ (25% buyer’s premium) biannual Fine Clocks auction on December 5 was a chronometer made for the 1874 British expedition to observe the transit of Venus.

Specialist dealer evicted from arcade stays optimistic about a return – and will be at the ‘Horti’ fair

Memorabilia collected by a founding father of modern computing makes for a remarkable auction

Christie’s posted a spate of record prices at three New York sales from September 10-12 offering Paul Allen’s extraordinary collection of scientific and technological items.