Find answers to common questions about valuing, buying and selling antique scientific instruments, globes, telescopes and maritime collectables with Hutchinson Scott.
How can I get an antique scientific instrument valued?
Request an initial valuation through our online service. Include clear photographs, measurements and details of makers' names, serial numbers, scales, labels, inscriptions, cases, accessories, condition and provenance.
What types of scientific instruments do Hutchinson Scott sell?
Suitable auction entries can include antique telescopes, microscopes, globes, orreries, sundials, barometers, medical instruments, surveying equipment, drawing instruments and other objects connected with science and technology.
Which maritime and navigational instruments are suitable for auction?
Our auctions can include sextants, octants, compasses, marine chronometers, naval telescopes, course correctors, ship's instruments and other objects associated with navigation and maritime history.
What affects the value of an antique scientific instrument?
Maker, age, rarity, purpose, technical innovation, accuracy, originality, condition, completeness and provenance can all affect value. An original fitted case and associated accessories may also be important.
Which scientific instrument makers are of interest at auction?
Demand depends on the individual object, but makers represented in our auctions include Cary, Askania, Harris, Dollond, Ross, Watkins & Hill, Negretti & Zambra, Gardner & Co. and Thomas Mercer.
How should I photograph a globe, telescope or sextant for valuation?
Photograph the complete item from several angles and include close-ups of signatures, labels, calibrated scales, lenses, mechanisms, damage, repairs, stands, fitted cases and every loose accessory.
Should I clean or restore a scientific instrument before valuation?
No. Seek specialist advice before polishing brass, cleaning globe surfaces, repairing mechanisms or replacing components. Original finishes, paper gores, labels and fittings can be important to collectors.
Can you advise on an inherited collection of scientific instruments?
Yes. Our team can advise private owners, families and executors about individual instruments or larger inherited collections, including valuation and suitability for auction.
Do scientific and maritime auctions reach international buyers?
Yes. Illustrated online catalogues and internet bidding help suitable instruments reach collectors in the UK and overseas, subject to any applicable shipping or export requirements.