Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
SR 726
IWA for AWFGermany
Plastic
est. 1970's4 cm x 22.4 cmNatural Gas Industry

Notes: 1) Used for natural gas piping calculations for high and low pressure using Biel Lummert formula 2) This slide rule has 2 slides


Image 1




Image 2




Image 3




Image 4




Image 5