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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
humidity ser. 2
Blundell Harling
England
Plastic
1965-1970s
25 cm
"""Humidity Slide Rule"""
Notes:
"Series 2 is for Celsius calculations. Blundell Harling manufactured several different versions of humidity slide rules, used to calculate humidity from psychrometer readings. "
Image 1
Image 2
