Tag: Antiques

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
Collecting in the 21st Century
Vavasseur Antiques - Antique & Vintage Aneroid Barometers, Barographs & Other Scientific Instruments | September 27, 2018
Collecting in the 21st Century
The decline in the antiques trade might be a wholly unnatural phenomenon. Is it about to rebound with a rise in the collection of technology?