P A Oxley Antique Clocks & Barometers has dated this piece to the Georgian era.
The dial is also engraved with weather indications ranging from Very Dry to Stormy. The makers name is also engraved to the top half of the scale.

The mahogany case has an exposed mercury tube, veneered either side with herringbone mahogany veneer. The mahogany cistern cover is unusually inlaid with ebony and satinwood. The pediment is typical of the period with a moulded architectural top and central brass finial.

A high quality instrument for the discerning gentleman.
Note: Matthew Wisker is listed as working from 1777-1804 at Spurriergate, York. He is known to have worked as an Optician, Instrument Maker and a Glass Grinder.
Height: 38" / C.1790
P A Oxley Antique Clocks & Barometers has dated this piece to the Georgian era.
You can view the stock and full dealer information on the P A Oxley Antique Clocks & Barometers Profile Page
P A Oxley Antique Clocks & Barometers is a registered member of LAPADA