Roegiers's nomogram and ruler for finding the visc

Made:
Belgium

Roegiers's nomogram and ruler for finding the viscosity of oil mixtures, printed on thin metal sheet

Details

Category:
Mathematics
Object Number:
1948-291
type:
ready reckoner (viscosity), calculators
credit:
Societe des Huiles De Cavel & Roegiers S.A.

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