Antique Holosteric Barometer Diagram - Historical Weather Instrument Illustration #3645913 (License: Personal Use)

This intricate black-and-white engraving depicts a portable holosteric barometer, featuring a central aneroid mechanism with two pointer arms-one indicating current pressure and the other marking a set reference (“Set Fair”). Surrounding dials display barometric pressure in inches (28-31), weather predictions (“Stormy,” “Rain,” “Fair,” etc.), and dual thermometers calibrated in Fahrenheit and Centigrade. The design reflects Victorian-era scientific instrumentation, combining utility with ornamental craftsmanship.

Used on educational or historical websites about meteorology, antique scientific instruments, or horology; serves users researching vintage weather forecasting tools, museum exhibits, or steampunk-inspired design references.