Antique Friez Sling Psychromoter Humidity Gage Wand Baltimore Maryland 1904
Antique Sling Psychrometer made by Friez company in Baltimore Maryland. A device to measure humidity with two thermometers one with a sock that is wet and one without. The device is swung around and the difference between the two thermometers tells the level of humidity. Believed to be made prior to 1904 when [...]
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Antique T Armstrong & Brother Manchester England Banjo Wall Barometer Original
This is a Rare large Antique Turn Of The Century English Gothic Edwardian Banjo Wall Barometer & Thermometer, made by Thomas Armstrong & Brother Ltd. Manchester England, circa 1890’s. It has a hand crafted Oak Wood Case with Ornate Designs Absolutely Stunning!!! The dial is silver metal [...]
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Barometer Aneroid USSR 1959 meteorologists
The aneroid barometer is one of the main instruments used by meteorologists to make weather forecasts for the coming days, since its change depends on changes in atmospheric pressure. Degree scale shows in Celsius. Aneroid waterless barometer consists of a rounded carbolite case with a glazed [...]
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