All items start at $0.99. Unusual & seldom seen 1902 patented hygrometer. Antique brass lloyd’s hygrodeik instrument. This is a great looking and seldom seen 100+ year old hygrometer known as lloyd’s hygrodeik. The all brass construction makes for an impressive looking scientific instrument that is marked several times by tycos and the taylor [...]
Posts tagged lloyd s
Antique Lloyd’s Hygrodeik Relative Humidity Instrument, A. E. Covelle Co. Boston
Antique lloyd’s hygrodeik measures relative humidity. Dew points with wet and dry bulbs using charts measuring high and [...]
Antique 1902 Tycos Lloyd’s Hygrodeik Hygrometer Taylor Scientific Instrument Co
Antique device to measure relative humidity with wet. I believe humidity is found by adjusting index pointer to corresponding temp on thermometers and reading scale where index arm swings (something like that). Brass finish, frame & hardware, engraved german silver scale, full instructions printed on rear. Complete with no missing parts, [...]
Antique 1902 Tycos Lloyd’s Hygrodeik Relative Humidity Scientific Instrument
We are pleased to offer this exceptionally well preserved. Lloyd’s hygrodeik by tycos, rochester. Made in the early 20th century, for andrew j. A hygrodeik measures relative humidity, with wet and dry thermometers, and an index arm [...]
Antique 1902 Tycos Lloyd’s Hygrodeik Relative Humidity Scientific Instrument
We are pleased to offer this exceptionally well preserved. Lloyd’s hygrodeik by tycos, rochester. Made in the early 20th century, for [...]