Scientific Instruments

Theodolite and telescope made to high standards measure up in two salerooms

Surviving records for the London instrument maker Smith & Beck state this superb microscope from the brass and glass era was purchased on September 2, 1853, by Francis Herbert Wenham (1824-1908) – the British engineer who became a key figure in the improvement of the microscope.

The invention of the gauger’s slide rule in the 1680s is generally credited to one Thomas Everard of Southampton.

Mehlis (23% buyer’s premium) in Plauen held its first sale of the new season on August 28-29. There was lively bidding, with a high proportion of the bidders joining in by phone.

Though the first human in-socket artificial eyes were created by Venetian glassmakers c.16th century, the earliest evidence of ocular prosthesis was found in a female burial plot in Shahr-I Sokhta, Iran – dating back to 2900-2800 BC.

Fine examples lead an array of scientific instruments and photographica at specialist sale

The Wimshurst influence machine, an electrostatic generator capable of creating high voltages, was developed between 1880-83 by British inventor James Wimshurst (1832-1903).

Scientific instruments and photographica specialist Flints Auctions has opened new premises and is launching a fresh type of sale.

The opening lot of Flints Auctions’ photographica and scientific instruments sale in Reading on October 18 was an exceptional Victorian microscope.

Dealer Peter Delehar brings an example of a pioneering protractor to the second edition of the Antique Scientific Instrument Fair.

By the 1980s, Thomas Mercer of St Albans had made almost a third of all chronometers in history – including that used by Ernest Shackleton to navigate his men to Elephant Island and eventual rescue during the Trans-Arctic Expedition of 1914.

During an expedition to the wreck of the Titanic in 1996, a marine chronometer made by JW Ray, Liverpool, was recovered and brought ashore.

This c.1900 French automaton is included in the next sale held by Chicago saleroom Potter & Potter specialist auction house of magic props and memorabilia.

Thousands of items are available to buy from dealers online. Here we pick out one that caught our eye this week.

Two fine examples of scrimshaw were eagerly contested at the David Duggleby (21% buyer’s premium inc VAT) Scarborough auction of maritime antiques and instruments.

A c.1855-60 camera and a c.1930-40 high precision lens provided two star items at photographic and scientific auction house Flints’ (20% buyer’s premium) latest sale to attract worldwide attention.