A Rare Quekett Dissecting Microscope Outfit Signed Highley, London

A Rare Quekett Dissecting Microscope Outfit Signed Highley, London

£3650.00

Offered is a very rare and fine microscope outfit based around a Quekett dissecting microscope. This form of folding dissecting microscope was designed by John Quekett in around 1845. However this example comes with a miniature oil lamp and aquatic/dissecting mount for the compound tube.

Circa

1845

Description

Offered is a very rare and fine microscope outfit based around a Quekett dissecting microscope. This form of folding dissecting microscope was designed by John Quekett in around 1845. However this example comes with a miniature oil lamp and aquatic/dissecting mount for the compound tube.

The lamp, Quekett’s microscope and achromatic objective are all signed

Highley, Optician, London.

Quekett’s dissecting microscope is a very delicate instrument with very thin legs, consequently very few survived. This is the only example I have ever seen with all of the other accessories.

The microscope was designed to be taken into the field so all parts, with the exception of the compound body tube and the objective, can be stored in the drawer below. The legs then fold under the microscope allowing the whole to fit into a bag or large pocket. 

The legs fold down and are secured in place with two angled catches at the side. The drawer is removed and the mirror support slotted into a brass boss below. The main column with a rack to one side slots in at the back. The body tube is then screwed into the end of the limb. The Pre-RMS threaded objective then screws up into the body tube. 

The microscope can also be used as a simple microscope using one of the two Coddington type lenses. Focusing is achieved via the knurled wheel acting on rackwork at the side of the column.

The compound bodytube can be slotted into the aquatic microscope stand. This allows for movements to follow organisms in a small tank. Or to be used as a dissecting microscope on larger items. At the base is a clamp to fit to a table edge.

 

The outfit also comes with a small oil lamp with Highley’s name cast into the base. The lamp has folding feet and an extending column.

Condition:
Cosmetically this instrument is very good. The lacquer is good and the French polish is good and bright. Surprisingly the lacquer to the stage is barely worn suggesting that this little microscope saw very little use.
Mechanically everything works really well with no issues
Optically all of the lenses are good though a little dusty.

Dimensions
Stage – 14.5cm x 14.5cm
Assembled height with body tube – 29cm

Quekett, John Thomas (1815-61) was a Professor of Histology at the Royal College of Surgeons of England, secretary of the Royal Society of London from 1841-1860, and president of the RMS from 1860-1861. Quekett became interested in microscopic investigation early in life. At sixteen he gave a series of lectures pertaining to his microscopical investigations using an instrument of his own construction. Later he designed the instrument, shown here, as a solution to the small sample stages of the dissecting microscopes of the time. Carpenter, in his book \’The Microscope and its Revelations\’ (1856) described the Quekett microscope stating that it was \”extremely convenient\” for sample manipulations and that even though the mirror adjustment was difficult, \”These inconveniences…are a trifling when compared with the great facilities afforded for scientific investigation by the size and firmness of the stage\”

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GB Apsley

We have been dealing in antique scientific instruments for 20 years at fairs and on ebay. We now deal on Fleaglass on which sits our complete and ever changing stock of rare and unusual instruments. We also exhibit at the Scientific Instrument Fair run twice a year in London. Please do let us know if you're interested in items you don't see in our stock or if you are interested in selling items from your own collection.