Feutron Klima 1802 Climate-Humidity Slide Rule

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Country of manufacture: Germany,            Date of manufacture: ____
Overall length: 27.2 cm,          Width: 4.0 cm,           Weight: 56.7 gms
Materials: all plastic, end braces glued on, on back side to raise rule off working surface
Cursor: 3.8 X 5.0 X 0.8 cms; all plastic, adjustable; lines = single hairline, front and back
Scales: 13 specialized
Front: Steam-Content, dew-point temp [dry-bulb temp, absolute humidity] wet-bulb temp, Total Heat
Back: Steam-Content, wet-bulb temp [air temp, cooling temp, saturated vapor pressure] partial vapor pressure, steam percentage
Gauge Marks: [       ]
Condition: C5 (signs of normal use)
Came with: Original cardboard box
Notes: My translation of scale names; may not be entirely accurate. Use with caution!

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