Barometer has nice gold shine , excellent condition. Height: 3.4 cm. The item “Antique Holosteric pocket Barometer, original leather velvet case” is in sale since Friday, September 22, 2017. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “idlaantique” and is located in Tallinn, [...]
Archives for October 6, 2017
Antique Tycos Lloyd’s Hygrodeik Hygrometer
A form of psychrometer with wet-bulb and dry-bulb thermometers mounted on opposite edges of a specially designed graph of the psychrometric tables, arranged so that the intersections of two curves determined by the wet-bulb and dry-bulb readings yield the relative humidity, dew-point, and absolute humidity. [...]