An impressive and rare Benjamin Martin tellarium / planetarium, English, circa 1765-70,

Rare Planetarium leads Bonhams Science and Technology Sale


Important Instruments of Science & Technology
31 Oct 2017
London, Knightsbridge
An impressive and rare Benjamin Martin tellarium / planetarium, English, circa 1765-70,

A rare and impressive Benjamin Martin Planetarium is the top lot at Bonhams Important Instruments of Science & Technology sale on 31 October in London. It is expected to fetch £80,000-120,000.

This rare, philosophical instrument cleverly demonstrates the movement of the earth and alternatively, the orbits of the then known planets around the sun by use of a hand-cranked geared mechanism. Signed by its maker, Benjamin Martin of London, one of the leading instrument makers in London in the 18th century, the planetarium is a fine working example of the exquisite output from his workshop in Fleet Street. It dates from 1765-70, during which time Martin received a commission from Harvard University, Massachusetts, to produce a collection of scientific instruments. The international recognition of Martin's work further underlines his lasting significance – many of his models were reproduced into the Victorian era.

Bonhams Science and Technology specialist, Jon Baddeley said: 'This extraordinary example of Benjamin Martin's work was truly multi-functional and ahead of its time. Made in the age of Enlightenment, these unusual and rare instruments were often used by the erudite upper classes who were always looking for ways to expand their knowledge of the world around them and share this scientific information at social gatherings.'

Elsewhere at auction, highlights include:

- A Rare Pair of Vincenzo Coronelli 18 ½ inch Terrestrial and Celestial Globes on Stands, Italian, published 1696, estimated at £100,000-150,000
- A Three-Rotor Model 1 Enigma Cipher Machine, German, 1933, estimated at £60,000-80,000
- A Magnificent Richard Glynne Gilt and Silvered Brass Horizontal Sundial, English, circa 1725, estimated at £25,000-35,000

-ENDS-

Sale: Important Instruments of Science and Technology
Location: Knightsbridge
Date: 31 October 2017
Specialist: Jon Baddeley

Enquiries

For further information and images call Pippa MacNeil on +44 (0)207 468 8210, or email pippa.macneil@bonhams.com or press@bonhams.com.

NOTES FOR EDITORS
 
Bonhams, founded in 1793, is one of the world's largest and most renowned auctioneers of fine art and antiques, motor cars and jewellery. The main salerooms are in London, New York, Los Angeles and Hong Kong, with sales also held in Knightsbridge, Edinburgh, Paris, San Francisco and Sydney. With a worldwide network of offices and regional representatives in 22 countries, Bonhams offers sales advice and valuation services in 60 specialist areas. For a full listing of forthcoming sales, plus details of Bonhams specialist departments, please visit bonhams.com.

Contacts
  1. Jon Baddeley
    Specialist
    Bonhams
    Work
    Montpelier Street
    London, United Kingdom SW7 1HH
    Work 020 7393 3872
    FaxFax: +44 20 7393 3873

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