Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
National Lead Shielding Computer
National Lead CompanyUSA
Plastic encased paper
est 196010 x 26 cmLead shielding for radioactivity

Notes: 1) Includes a listing of hard gamma emitting radioisotopes 2) Provided an interesting arrow to calculate the required lead thickness fo a given energy & curie amount

Image 1

Image 2