Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
Gen-15-A
Perrygraf CorporationUSA
Plastic & Cardstock
196510cm x 27.1cmBlackbody Radiation

Notes: 1) Used for infrared radiation calculations 2) Made for General Electric 3) Widely distributed throught out the engineering community 4) Model 15-A was the original version


Image 1




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Image 3