Quiet Street Antiques of Bath has dated this piece to the 1880s.
The ivory resister plates are beautifully engraved with the scales and complete with twin moving cursors, that enable barometric pressure measurements to be made with an accuracy of to one hundreth of an inch.

To the trunk is the mercury thermometer, also in perfect working order, whilst this flovely barometer retains both of its original walnut register keys, which is quite rare. Delivery free of charge 100 miles around Bath including London. (NB: Ivory Registration Ref: S7NZNYBE to hand)

Joseph Armstrong (died 1851) set up his business as jeweller and silversmith in Deansgate in 1825. He had three sons, of which Thomas took over the business and expanded it to include the manufacture of spectacles (having been apprenticed to an optician) and instruments. In 1868 he took his brother George into the business and re-named it “Thomas Armstrong & Brother”. This barometer can be dated c1870-1885.
Please note that this is not on view in the shop; for further details telephone 07860 818212 or e-mail in the normal way.
Quiet Street Antiques of Bath has dated this piece to the 1880s.
Fine antiques at sensible prices
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