Bernard Hennessey - Swansea.  Good quality and unusual, mid 19th Century rosewood cased marine ‘Improved Sympiesometer’- numbered 2772 - in original condition.

Bernard Hennessey - Swansea. Good quality and unusual, mid 19th Century rosewood cased marine ‘Improved Sympiesometer’- numbered 2772 - in original condition.

c. 1850 Swansea

Offered by Alan Walker

Currently Reserved
Request Information Call Dealer
Favourite Item
Good quality and unusual, mid 19th Century rosewood cased ‘Improved Sympiesometer’- numbered 2772 - in original condition; the engraved silvered brass register plates, signed by the maker and protected by bevelled glass cover, bearing mercury Fahrenheit thermometer and sympiesometer tubes – both original, and the sympiesometer tube also numbered 2772. Slide operated vernier and circular register plate to the base. The case with ogee top. [Height 23in. / 58cm.]

Hennessey was a noted Nautical Instrument-maker, specialising, in particular, in chronometers and marine barometers, including sympiesometers. He worked from premises at 5 Wind St., Swansea from c1845-75.
Stock Code
6029
Alan Walker

Alan Walker
Halfway Manor
Halfway
Newbury
Berkshire
RG20 8NR

+44 (0)1488 657670
+44 (0)7770 728397
Favourite Dealer
Request Dealer Alerts
Opening Hours
Contacts
View Dealer Location
Member Since 2006
Members of
View Full Details

Browse More Items From Alan Walker

View Dealer's Gallery