Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Reed X-Ray Technic Computer
Carl. W. ReedUSA
c. 19396.9 cm x 17.6 cmMedical X-Ray

Notes: "1) Used to calculate voltage and current for an X-Ray tube to achieve correct film exposure 2) Note the rule has 2 slides 3) The reverside side has tables for various body parts, dimensions and patient age"

Image 1

Image 2