Slide Ruler

DESCRIPTION

TitleSlide RulerObject TypeObjectDate1940-1980DescriptionSlider Ruler.

Slide rules were used mostly for multiplication nd division, not for measuring lengths.

Each number to be multiplied or divided was represented by a length on a slide rule which had a logarithmic (non-linear) scale. The numbers were aligned on the slide ruler to read the sum of the logarithm and then calculate the two numbers.
CreatorFaber CastellProvenance and SignifcanceThis slide ruler was owned by Franz (Frank) Behrens of Shellharbour.DonorBeehrens, Frank

CHARACTERISTICS

MaterialWood.Dimensions31cmx 4.5cm.

CLASSIFICATION

PrimarySciencesSecondaryInstruments - Mathematical

CONNECTIONS

CollectionObjects

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Slide Ruler