Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
Blundell Harling F5100
Blundell HarlingEngland
Plastic
about 197045 cmBlack Body Radiation

Notes: "The scales on this rule are virtually identical to those on the Thornton black body radiation slide rule, but the Blundell-Harling rule is better made."


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