Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Disk
Hygros hx Pshcyrometric Calculator
Designed and made by Dr. Oliver SteffensGermany
Card Stock
c. 2020Dia. = 17.0 cmChemical Industry

Notes: Physical and thermodynamic properties of water ?vapor


Image 1