Thomas Porthouse London No722 Detent Chronometer Helical MVT Case Pocket Watch

  

Estate sales from retired or. Enough to be fitted to. Is not the original case. Few ticks and is a spring.

Dial is not original dial. And is silver made by. Peter iles and hands are. The silver dial and was.

In the process of fitting. INFORMATION ON THOMAS PORTHOUSE George Etheridge Goldsmith of Norwich worked under Etheridge & Co.

In partnership with William Ellis Etheridge and George Sothern as Goldsmiths, Silversmiths, Watchmakers & Jewelers dissolved in 1829 233 - National Maritime Museum. Google search Thomas Porthouse, London c. 233 1 day marine chronometer in mahogany box Thomas Porthouse c. 1794- 1860 gained a considerable reputation as a watch and chronometer maker in London.

His origins are unknown, but it is possible he was related to the 18th century family of clockmakers by that name from Penrith in Cumberland (now Cumbria) in the North of England. The known facts about Thomas Porthouse suggest that sometime around the year 1815 he started his own business on High Street, Poplar, in Londons East End, near the citys main docklands. The first city directory to include information about Porthouse as a tradesman, published in 1822 by the Manchester firm Pigot and Co, lists his premises at 210 High Street.

One year after the Royal Observatory announced its Premium Trials, Porthouse entered this chronometer, No. 233 (see later for the details of the trial). This chronometer, typical of these fine instruments, was still read the rest at the google site at the front of this short history of Thomas Porthouse. The item "Thomas Porthouse London No722 Detent Chronometer Helical MVT Case Pocket Watch" is in sale since Friday, April 21, 2017. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Movements".

The seller is "watchclub2012" and is located in Tampa, Florida. This item can be shipped to North, South, or Latin America, all countries in Europe, Japan, Australia.

• Brand: thomas porthouse
• MPN: #722
• Year of Manufacture: Pre-1920
• Type of Movement: Mechanical (Hand-winding)
• Model: detent chronometer FUSEE
• Country/Region of Manufacture: United Kingdom