Vintage 1950s Herff Jones Hygrometer / Hygroscope with Case
This original mid-century Herff Jones hygrometer (technically a hygroscope) is a classic classroom scientific instrument designed to measure atmospheric moisture.
While labeled a hygroscope, most buyers and collectors search for these as:
• Hygrometer
• Humidity gauge
• Vintage weather instrument
• Scientific measuring instrument
This example responds to moisture changes (tested via breath exposure) and is functioning properly.
The original fitted case is included.
Condition
• Instrument is responsive and operational
• Dial face is clear and readable
• Case shows age-appropriate wear consistent with 1950s use
• Please review all photos for full cosmetic detail
Ideal For
• Vintage science display
• Mid-century classroom decor
• Laboratory / industrial aesthetic interiors
• Weather instrument collectors
• Cabinet of curiosities
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