Ads
related to: antique pocket barometer- Motors
New and Used Vehicles and Parts.
Find Items from Every Automaker.
- Easy Returns
Whether You Shop or Sell.
We Make Returns Easy.
- Sporting Goods
Are You Ready to Play Like a Pro?
eBay Has Outstanding Gear For You!
- Trending on eBay
Inspired by Trending Stories.
Find Out What's Hot and New on eBay
- Motors
etsy.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
Negretti Zambra Telescope issued by the British military, date unknown Detail from Negretti Zambra Telescope issued by the British military, date unknown. Negretti and Zambra (active 1850 – c. 1985) was a company that produced scientific and optical instruments and also operated a photographic studio based in London.
Jacques-Frédéric Houriet (1743–1830), Swiss watchmaker, Le Locle, pocket watch, tourbillon. [1] Jules Jürgensen (1745–1811), Danish watchmaker and manufacturer, Le Locle, pocket watch, longcase clock. Peter Kinzing (1745–1816), German clockmaker and mechanic. Daniel Möllinger (1746–1794), German clockmaker, Heidelberg, city clock maker.
For example, if a barometer located at sea level and under fair weather conditions is moved to an altitude of 1,000 feet (305 m), about 1 inch of mercury (~35 hPa) must be added on to the reading. The barometer readings at the two locations should be the same if there are negligible changes in time, horizontal distance, and temperature.
Comitti of London was founded in 1845 by Onorato Comitti, an Italian precision instrument maker who moved to England, [1] and started a business designing and manufacturing barometers. [2] Onorato Comitti opened his first workshop in 1850 alongside other specialist makers in Clerkenwell, London.
The changing height of the mercury in the barometer was recorded on a continuously moving photosensitive surface. [5] By 1847, a sophisticated temperature-compensation mechanism was also employed. Ronalds’ barograph was utilised by the UK Meteorological Office for many years to assist in weather forecasting and the machines were supplied to ...
The parent of all mercury pressure gauges is the mercury barometer invented by Evangelista Torricelli in 1643. [15] An early engineering application of the mercury pressure gauge was to measure pressure in steam boilers during the age of steam. The first use on steam engines was by James Watt while developing the Watt steam engine between 1763 ...
[citation needed] By 1943, the Moscow factory was re-established and renamed the First Moscow Watch Factory and continued the manufacture of pocket watches and stopwatches, as well as the Type-1 191-ChS watch for Soviet Navy divers. This watch, whose diameter, not including the crown, is about 2 1/4 inches (60mm), weighed 8 1/2 ounces (about 260g).
In 1903, a section in the journal Knowledge lists an assortment of equipment available from the company: microscopes, astronomical telescopes (educational model for £5 1s), Crookes' spinthariscope (pocket model for £1 1s), and Electro-Therapeutics apparatus that included complete outfits for radiography from £30.
Ads
related to: antique pocket barometeretsy.com has been visited by 1M+ users in the past month