Category: Barometers in Action

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…
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
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…