Laboratories
Slide rule
- Ref. No: SA/BL/4/31
- Format: Object
- Date: [late 20th century]
- Level: Item
- Extent: 2 items
- Access: Open
White plastic slide rule with adjustable components and measurements on both sides to calculate the relative humidity, vapour pressure, frost point and dew point. The name of the rule, 'M.O. Humidity Slide Rule Mk. IV' is inscribed on the front and the rule is held in a green cardboard case.
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