Archive:

The Wonderful Conclusion to the Story of John Campbell's Exceptional Model Steam Engine
Featured, Media Mentions, Technology | February 18, 2020
The Wonderful Conclusion to the Story of John Campbell’s Exceptional Model Steam Engine
We're delighted that the amazing Campbell model steam engine has been featured in the Antiques Trade Gazette special publication "Sixty Objects, Sixty Stories", a review of 2019 highlights from the magazine.
20th Century Technology - An Archive
Barometers in Action, History of Aneroid Barometers, Technology | October 3, 2019
20th Century Technology – An Archive
We often talk and think about the Victorian era, and for many it stands alone as a brief period in world history when so much of what we know, use and take for granted in the 21st Century was invented…
Compasses at Greenwich to Point to True North for the First Time in 360 Years
Compasses | August 31, 2019
Compasses at Greenwich to Point to True North for the First Time in 360 Years
The Royal Observatory has announced that, at some point over the next two weeks, compasses at Greenwich will point true north for the first time in about 360 years. And for some parts of the UK, this may not happen for another 20 years. Either way, it is a once-in-a-lifetime event.
Testing Aneroid Barometers for Accuracy & Function
Vavasseur Antiques - Antique & Vintage Aneroid Barometers, Barographs & Other Scientific Instruments | August 23, 2019
Testing Aneroid Barometers for Accuracy & Function
Aneroid barometers that have not been properly serviced and calibrated may be prone to one or more of the many common faults that are found and the oft-cited Plastic Bag Text is fallible. Buying an instrument that has not been properly checked is therefore a lottery.
Negretti & Zambra Barograph & Thermograph Instructions
Barographs, Barometers in Action, Weather | October 1, 2018
Negretti & Zambra Barograph & Thermograph Instructions
An original Negretti & Zambra leaflet c1910 with directions for setting up self-recording barometers (barographs), thermometers (thermographs), etc
Antique Pocket Barometers on Screen
Vavasseur Antiques - Antique & Vintage Aneroid Barometers, Barographs & Other Scientific Instruments | September 20, 2018
Antique Pocket Barometers on Screen
It’s been an interesting September for Vavasseur Antiques with two unusual enquiries for antique pocket barometers. The first was from a UK production company seeking an antique pocket barometer as a prop for the lead character in a forthcoming TV…
A Moment of Calm in This Hectic World...
Barometers in Action, Weather | April 12, 2018
A Moment of Calm in This Hectic World…
Mark has recently enhanced his test equipment and is now able to film barometers under pressurised conditions. This short clip shows the unusual Casella pocket barometer, made for the Royal Geographical Society c1930, replicating the effect of descending from 25,000ft…
Harrison's Chronometer and the Determination of Longitude
History of Aneroid Barometers | October 29, 2017
Harrison’s Chronometer and the Determination of Longitude
The Science Museum recently posted a very interesting blog about the story behind John Harrison and his portrait at the Royal Observatory. In its own way, the invention of the aneroid barometer by Lucien Vidi and its determination of altitude…
Vavasseur Antiques is now on Twitter, Instagram and Facebook!
Vavasseur Antiques - Antique & Vintage Aneroid Barometers, Barographs & Other Scientific Instruments | October 8, 2017
Vavasseur Antiques is now on Twitter, Instagram and Facebook!
Find Vavasseur Antiques on Twitter, Instagram and Facebook… We now have an official Vavasseur Antiques Twitter feed – @VavasseurAnt, an Instagram page – vavasseur_antiques, and a Facebook page – @vavasseurantiques, where we post up images and details of new and/or …
Weather Forecasting, the Negretti & Zambra Way!
Weather | September 16, 2017
Weather Forecasting, the Negretti & Zambra Way!
A number of years before the BBC started to broadcast shipping forecasts and weather reports in November 1922, Negretti & Zambra patented the ‘weather forecaster’ to allow both professionals and the man in the street to forecast the weather with…
Storm Aileen, 12-13 September 2017
Weather | September 13, 2017
Storm Aileen, 12-13 September 2017
After a period of very settled weather, Storm Aileen heralded the start of Autumn as she passed over last night, peaking at 2.41am, if the extremely strong gust that blew open one of the closed bedroom windows was anything to…
Operation Weather Rescue: Ben Nevis
Weather | September 10, 2017
Operation Weather Rescue: Ben Nevis
The BBC recently highlighted the project to digitise the metrological measurements taken at an observatory atop Ben Nevis between 1883 and 1904 so that the readings can be used by modern researchers. The article can be read here. Perfect for…
Storm Doris, 23 February 2017
Weather | March 1, 2017
Storm Doris, 23 February 2017
One of the benefits of sharing the Vavasseur Antiques office with several beautiful barographs is being able to watch weather patterns being recorded in real-time. The downward trend in pressure followed by the sharp upturn as Storm Doris passed over…